Idioms for crime are special phrases that mean something different from what the words say on their own. People use them to make their speaking and writing more colorful, descriptive, and fun. In this guide, you will learn many popular expressions that describe breaking rules, getting caught, doing wrong, and getting in trouble.
In this lesson, we’ll look at idioms that mean breaking the law, stealing, or getting caught red-handed. Let’s get started and explore some of these helpful expressions.
Idioms for Crime
1. Caught red-handed
Meaning: Being caught in the exact moment you are doing something wrong or unlawful.
For Example: The thief was caught red-handed trying to take a bicycle from the porch. / Mom caught my brother red-handed with his hand in the cookie jar.
Other Ways to Say: Caught in the act / Discovered mid-deed
2. Behind bars
Meaning: Placed inside a prison or jail cell after committing a crime.
For Example: The famous bank robber ended up behind bars for many years. / Police worked hard to put the dangerous criminal behind bars.
Other Ways to Say: Locked up / In prison
3. Face the music
Meaning: Accepting the natural punishment, consequences, or criticism for your wrongful actions.
For Example: After breaking the neighbor’s window, Marcus had to face the music and apologize. / It was time to face the music after skipping football practice.
Other Ways to Say: Take responsibility / Accept punishment
4. Thick as thieves
Meaning: Two or more people who are extremely close and share secrets about mischievous acts.
For Example: The two cousins were as thick as thieves when planning their trick. / Those two classmates have been as thick as thieves all school year.
Other Ways to Say: Very close / Inseparable partners
5. Five-finger discount
Meaning: Stealing or shoplifting an item from a store instead of paying for it.
For Example: He got caught using a five-finger discount at the candy shop. / Taking that toy without paying is using a five-finger discount.
Other Ways to Say: Shoplifting / Stealing goods
6. Cover your tracks
Meaning: Hiding or destroying evidence so nobody finds out you did something bad.
For Example: The sneaky fox covered its tracks by walking in the cold river. / He tried to cover his tracks by sweeping up the broken glass.
Other Ways to Say: Hide evidence / Conceal mistakes
7. On the run
Meaning: Trying to escape or hide from the police or authorities.
For Example: The suspect was on the run for three days before officers found him. / The outlaw lived on the run in the mountains in the storybook.
Other Ways to Say: Fleeing justice / Escaping capture
8. Blow the whistle
Meaning: Reporting a wrongdoing or criminal activity to someone in authority.
For Example: The honest worker blew the whistle on the company’s illegal dumping. / She decided to blow the whistle when she saw cheating on the test.
Other Ways to Say: Report wrongdoing / Expose a secret
9. Get away with murder
Meaning: Escaping punishment for doing something completely wrong or against the rules.
For Example: That spoiled puppy gets away with murder because he is so cute. / You cannot expect to get away with murder when you break school rules.
Other Ways to Say: Escape punishment / Avoid consequences
10. Partner in crime
Meaning: A close friend who helps you carry out silly mischief or bad ideas.
For Example: My brother is my partner in crime whenever we play tricks on Dad. / She picked her best friend as her partner in crime for the scavenger hunt.
Other Ways to Say: Accomplice / Mischievous pal
11. Up to no good
Meaning: Secretly planning to do something bad, sneaky, or mischievous.
For Example: Those two dogs look like they are up to no good in the yard. / The teacher could tell by their whispers that they were up to no good.
Other Ways to Say: Planning mischief / Plotting trouble
12. Off the hook
Meaning: Escaping a difficult situation, blame, or punishment completely.
For Example: Since my brother admitted he broke the vase, I was off the hook. / The judge let the innocent man off the hook.
Other Ways to Say: Cleared of blame / Freed from trouble
13. Clean slate
Meaning: A fresh start where past mistakes and wrongdoings are completely forgiven.
For Example: The teacher gave him a clean slate at the start of the new school term. / Apologizing allowed her to start over with a clean slate.
Other Ways to Say: Fresh start / New beginning
14. Do time
Meaning: Spending a specific period of time serving a sentence in prison.
For Example: The burglar had to do time in prison for stealing jewelry. / He did time for three years before being released.
Other Ways to Say: Serve a sentence / Stay in jail
15. In cahoots
Meaning: Working together secretly with someone to do something dishonest or bad.
For Example: The two mischievous cats were in cahoots to knock over the plant. / People suspected the villain was in cahoots with the dark knight.
Other Ways to Say: Partnered secretly / Colluding together
16. Crime doesn’t pay
Meaning: Criminal actions always lead to bad consequences and are never worth it.
For Example: He learned that crime doesn’t pay when he lost all his stolen goods. / The story teaches young children that crime doesn’t pay in the end.
Other Ways to Say: Wrongdoing fails / Bad deeds backfire
17. Smoke and mirrors
Meaning: Using trickery or deception to make people believe a lie.
For Example: The salesman used smoke and mirrors to sell the broken toy. / His claim was just smoke and mirrors to hide his mistake.
Other Ways to Say: Deception / Trickery
18. Smuggle out
Meaning: Secretly taking something out of a place without permission or being seen.
For Example: He tried to smuggle out extra snacks from the camp cafeteria. / The guard stopped anyone trying to smuggle out museum art.
Other Ways to Say: Sneak out / Take illegally
19. Sticky fingers
Meaning: A habit or tendency to steal things that do not belong to you.
For Example: Hide your favorite pencils because that boy has sticky fingers. / The shop owner watched out for customers with sticky fingers.
Other Ways to Say: Habit of stealing / Thieving nature
20. Cook the books
Meaning: Changing official financial records dishonestly to steal money or cheat on taxes.
For Example: The dishonest manager was caught trying to cook the books. / Cooking the books is a serious crime that leads to jail time.
Other Ways to Say: Alter financial records / Fake the numbers
21. Cat burglar
Meaning: A quiet thief who climbs into buildings skillfully to steal valuables.
For Example: The cat burglar sneaked through the window without making a sound. / Police searched for the cat burglar who took the diamond necklace.
Other Ways to Say: Sneaky thief / Silent intruder
22. Daylight robbery
Meaning: Charging an unfairly high price for something that is worth much less.
For Example: Paying five dollars for a tiny bottle of water is daylight robbery. / Charging ten dollars for popcorn feels like daylight robbery.
Other Ways to Say: Unfair price / Massive rip-off
23. Line your pockets
Meaning: Making money dishonestly or taking bribes to make yourself rich.
For Example: The corrupt leader was caught trying to line his pockets. / He used his position to line his pockets with public funds.
Other Ways to Say: Enrich yourself dishonestly / Take bribes
24. On the take
Meaning: Accepting illegal bribes or money in exchange for dishonest favors.
For Example: The detective discovered that the official was on the take. / An officer who is on the take loses their job immediately.
Other Ways to Say: Accepting bribes / Corrupt
25. Under the table
Meaning: Doing an exchange or payment secretly and illegally.
For Example: He paid the worker cash under the table to avoid paying taxes. / The deal was made under the table without any written contract.
Other Ways to Say: Secretly / Illegally
26. Break the law
Meaning: Doing an action that goes directly against official rules or statutes.
For Example: Speeding past a stop sign is a quick way to break the law. / Everyone must follow the rules so nobody breaks the law.
Other Ways to Say: Commit an offense / Violate rules
27. Hot goods
Meaning: Items or property that have been recently stolen and are dangerous to hold.
For Example: The thief tried to sell the hot goods quickly at the market. / Police seized the truck full of hot goods.
Other Ways to Say: Stolen property / Illegal items
28. Keep a paper trail
Meaning: Keeping written records that can prove whether an action was legal or illegal.
For Example: Always keep a paper trail of your receipts when buying big items. / The investigator followed the paper trail to catch the fraudster.
Other Ways to Say: Document evidence / Keep written records
29. Crime of passion
Meaning: A wrong action committed suddenly because of wild, uncontrolled emotion.
For Example: He acted without thinking in a sudden crime of passion. / The movie showed a character making a mistake in a crime of passion.
Other Ways to Say: Emotional outburst / Impulsive wrong
30. Blow the gaff
Meaning: Accidentally or intentionally giving away a secret plan or illegal trick.
For Example: The loud talking boy blew the gaff on their secret hideout. / He blew the gaff to the teacher about who took the ball.
Other Ways to Say: Reveal the secret / Spill the beans
31. Rob Peter to pay Paul
Meaning: Taking from one person or budget to pay back a debt to another.
For Example: Borrowing money to pay off an old loan is just robbing Peter to pay Paul. / You cannot fix your savings by robbing Peter to pay Paul.
Other Ways to Say: Shift debts / Transfer obligations
32. Spill the beans
Meaning: Revealing secret or private information about a wrong deed.
For Example: Do not spill the beans about our surprise party for Mom. / He spilled the beans to the principal about who drew on the wall.
Other Ways to Say: Reveal the truth / Give away secrets
33. On the straight and narrow
Meaning: Living an honest, moral life that follows all rules and laws.
For Example: After getting into trouble, he promised to stay on the straight and narrow. / Her parents raised her to always stay on the straight and narrow.
Other Ways to Say: Law-abiding / Honest life
34. Puddle of trouble NOT
Meaning: Staying completely out of mischief and following every rule carefully.
For Example: She stayed far away from any puddle of trouble at school today. / He kept his hands in his pockets to avoid a puddle of trouble.
Other Ways to Say: Stay clear of trouble / Be good
35. Turn a blind eye
Meaning: Choosing to ignore a wrong deed or rule violation on purpose.
For Example: The guard turned a blind eye when the kids ran across the grass. / You should never turn a blind eye to someone being bullied.
Other Ways to Say: Ignore wrongdoing / Pretend not to see
36. Fly by night
Meaning: Dishonest people or businesses that take money and disappear quickly.
For Example: Be careful of fly by night builders who do poor work and vanish. / That fly by night shop closed down after one week.
Other Ways to Say: Untrustworthy / Unreliable company
37. Highway robbery
Meaning: An extremely unfair charge or price that feels like stealing.
For Example: Charging ten dollars for a small water bottle is highway robbery! / That high price for a ticket is absolute highway robbery.
Other Ways to Say: Extreme rip-off / Overcharging
38. Drop the dime
Meaning: Calling the police or authority figure to inform on a criminal act.
For Example: Someone dropped the dime on the illegal street race. / The informant decided to drop the dime to collect the reward.
Other Ways to Say: Inform authorities / Report a crime
39. Sing like a canary
Meaning: Confessing everything and giving police full details about accomplices.
For Example: Once caught, the suspect began to sing like a canary. / He sang like a canary to get a lighter sentence from the judge.
Other Ways to Say: Confess fully / Inform on partners
40. Crime spree
Meaning: Committing a fast series of illegal acts or thefts over a short time.
For Example: The thieves were caught after a two-day crime spree across town. / Police ended the car theft crime spree on Tuesday.
Other Ways to Say: Wave of offenses / String of break-ins
41. Pull a fast one
Meaning: Deceiving or tricking someone in a clever, dishonest way to get an advantage.
For Example: He tried to pull a fast one by trading a broken card. / You cannot pull a fast one on the watchful teacher.
Other Ways to Say: Trick someone / Deceive cleverness
42. Get off scot-free
Meaning: Escaping punishment completely after doing something wrong or unlawful.
For Example: Due to lack of evidence, the suspect got off scot-free. / She broke the rule but got off scot-free with just a warning.
Other Ways to Say: Avoid punishment / Escape penalty
43. Clean hands
Meaning: Being completely innocent and having no involvement in a wrong deed.
For Example: Marcus proved he had clean hands and knew nothing about the prank. / She walked away from the trouble with clean hands.
Other Ways to Say: Complete innocence / Free of blame
44. Shady business
Meaning: Dishonest, suspicious, or illegal activities hidden from the public.
For Example: The dark warehouse was used for shady business late at night. / Avoid getting involved in any shady business with strangers.
Other Ways to Say: Suspicious activity / Dishonest dealings
45. Red alert for law NOT
Meaning: Following rules so well that authority figures have zero reason to worry.
For Example: The well-behaved group kept the trip simple with no red alert for law. / Good behavior ensured there was no red alert for law.
Other Ways to Say: Safe and lawful / Total obedience
46. Under lock and key
Meaning: Kept safely secured in a locked room, safe, or box.
For Example: The museum keeps its famous diamond under lock and key. / Important legal papers are kept under lock and key at the bank.
Other Ways to Say: Safely locked away / Securely stored
47. Settle a score
Meaning: Getting revenge or paying back someone who did something wrong to you.
For Example: He tried to settle a score by hiding his rival’s football shoes. / The two characters fought to settle an old score in the movie.
Other Ways to Say: Get revenge / Pay someone back
48. Finger in the pie
Meaning: Being secretly involved in an activity, plan, or business deal.
For Example: The sneaky politician had a finger in the pie of every project. / He always wants a finger in the pie when money is being spent.
Other Ways to Say: Secretly involved / Part of the deal
49. Walk a tightrope
Meaning: Being in a delicate situation where one small mistake leads to trouble.
For Example: He was walking a tightrope at school after receiving two warnings. / The manager walked a tightrope trying to follow all strict safety rules.
Other Ways to Say: Tread carefully / Be in a risky spot
50. Throw the book at
Meaning: Giving someone the maximum possible legal punishment for a offense.
For Example: The judge decided to throw the book at the repeat offender. / The principal threw the book at the students who vandalized the wall.
Other Ways to Say: Punish severely / Enforce maximum penalty
51. In cold blood
Meaning: Doing something harmful or cruel in a deliberate, unfeeling way.
For Example: The villain acted in cold blood in the story chapter. / Stealing from a charity is doing harm in cold blood.
Other Ways to Say: Unfeelingly / Ruthlessly
52. Grease someone’s palm
Meaning: Giving money or a bribe to someone so they do you a dishonest favor.
For Example: He tried to grease the guard’s palm to gain early entry. / Greasing someone’s palm is an illegal form of bribery.
Other Ways to Say: Offer a bribe / Pay off
53. Face the law
Meaning: Standing before a court or officer to answer for a wrongdoing.
For Example: The runaway suspect was brought back to face the law. / Everyone who commits a crime must eventually face the law.
Other Ways to Say: Stand trial / Answer to justice
54. Inside job
Meaning: A crime committed by or with the help of someone who works inside the place.
For Example: Police suspected the bank robbery was an inside job. / Leaving the back door unlocked made it look like an inside job.
Other Ways to Say: Internal crime / Helper from within
55. Catch someone in the act
Meaning: Discovering someone while they are actively committing a wrong deed.
For Example: The teacher caught him in the act of copying answers during the quiz. / We caught the dog in the act of chewing a shoe.
Other Ways to Say: Catch red-handed / Catch doing wrong
56. False pretenses
Meaning: Lying about who you are or your intentions to trick someone out of money.
For Example: He collected donations under false pretenses and kept the money. / She got into the building under false pretenses.
Other Ways to Say: Deceptive claims / Fake identity
57. Off open waters NOT
Meaning: Staying safely within legal boundaries without taking reckless risks.
For Example: The young business kept its rules clean and stayed off open waters. / They followed the guidebook to stay safe and off open waters.
Other Ways to Say: Safe and lawful / Within legal boundaries
58. Hand in the till
Meaning: Stealing money directly from a employer, register, or business fund.
For Example: The clerk was fired after being caught with his hand in the till. / Having a hand in the till leads straight to losing your job.
Other Ways to Say: Stealing cash / Embezzling
59. Pay the price
Meaning: Suffering the bad results or punishment caused by your bad actions.
For Example: He had to pay the price for skipping study time by failing the test. / If you break the law, you will have to pay the price.
Other Ways to Say: Suffer consequences / Face punishment
60. Bail someone out
Meaning: Paying money or helping rescue someone who is stuck in deep trouble.
For Example: His parents refused to bail him out after he broke the rules again. / She had to bail her friend out by helping fix the broken gate.
Other Ways to Say: Rescue from trouble / Help out of difficulty
Exercise to Practice
- The thief was caught red-________ while trying to take the bicycle.
- The bank robber ended up behind ________ for his illegal actions.
- After breaking the neighbor’s window, Marcus had to face the ________.
- Taking candy from the store without paying for it is using a five-finger ________.
- He tried to cover his ________ by sweeping up the mess before Mom came home.
- The suspect was on the ________ for two days before being found.
- She decided to blow the ________ when she noticed someone cheating.
- My brother is my partner in ________ whenever we build giant snow forts.
- Those two sneaky puppies look like they are up to no ________.
- The teacher gave him a clean ________ on the very first day of class.
- Hide your special markers because that younger boy has sticky ________.
- Paying ten dollars for a small juice bottle feels like daylight ________.
- Always stay on the straight and ________ to avoid getting into trouble.
- The suspect sang like a ________ when brought to the police station.
- The judge decided to throw the ________ at the person who broke the law.
Answer Key
- handed
- bars
- music
- discount
- tracks
- run
- whistle
- crime
- good
- slate
- fingers
- robbery
- narrow
- canary
- book
Conclusion
Learning idioms for crime is a great way to expand your vocabulary and understand books, news stories, and movies much better. These expressive phrases help make your speaking and writing far more vivid, interesting, and descriptive.
Try using a few of these idioms the next time you write a mystery story or describe a funny situation. Incorporating these expressions into your daily language will boost your communication skills and help your writing shine!




