Idioms are special phrases that mean something different from what the words say on their own. People use them to make their writing and talking more interesting and colorful. In this article, you will learn many common expressions that kids in middle school hear and use every day.
In this lesson, we’ll look at idioms that mean things related to school, growing up, and everyday middle school life. Let’s get started and explore some of these helpful expressions.
Idioms for 6th Graders
1. Piece of cake
Meaning: Something that is very easy to do.
For Example: The math quiz was a piece of cake because I studied hard. / Learning to ride a bike turned out to be a piece of cake.
Other Ways to Say: Walk in the park / Easy as pie
2. Hit the books
Meaning: To study hard for school.
For Example: I need to hit the books tonight for my history test tomorrow. / After dinner, Sarah always hits the books in her room.
Other Ways to Say: Crack open a book / Study up
3. Break a leg
Meaning: A way to wish someone good luck, especially before a performance.
For Example: Break a leg at your piano recital tonight. / Our teacher told us to break a leg before the school play.
Other Ways to Say: Good luck / Knock them dead
4. Bite the bullet
Meaning: To face a difficult situation with courage.
For Example: I decided to bite the bullet and apologize to my friend. / He had to bite the bullet and go to the dentist.
Other Ways to Say: Face the music / Tough it out
5. Under the weather
Meaning: Feeling slightly sick or unwell.
For Example: Sam stayed home from school because he was feeling under the weather. / My sister feels under the weather today.
Other Ways to Say: Feeling down / Out of sorts
6. Spill the beans
Meaning: To reveal a secret by accident or on purpose.
For Example: Do not spill the beans about the surprise party. / He accidentally spilled the beans about the field trip.
Other Ways to Say: Let the cat out of the bag / Give the game away
7. On the fence
Meaning: Unable to make a decision between two choices.
For Example: I am on the fence about joining the art club or the drama club. / She was on the fence about going to the game.
Other Ways to Say: Undecided / In two minds
8. Cost an arm and a leg
Meaning: To be extremely expensive.
For Example: Those new sneakers cost an arm and a leg. / Going to the amusement park can cost an arm and a leg.
Other Ways to Say: Pricey / Overpriced
9. Once in a blue moon
Meaning: Something that happens very rarely.
For Example: My brother cleans his room only once in a blue moon. / We go to the movie theater once in a blue moon.
Other Ways to Say: Seldom / Very rarely
10. Through the grapevine
Meaning: Learning news through rumors or informal talk.
For Example: I heard through the grapevine that we are getting a new student. / She found out through the grapevine about the party.
Other Ways to Say: By word of mouth / From rumors
11. Call it a day
Meaning: To stop working on something for the rest of the day.
For Example: After four hours of homework, it was time to call it a day. / Let us finish this poster tomorrow and call it a day now.
Other Ways to Say: Wrap things up / Pack it in
12. Cross that bridge when you come to it
Meaning: Deal with a problem only when it actually happens.
For Example: Do not worry about final exams now, we will cross that bridge when we come to it. / We will cross that bridge when we come to it if it rains on game day.
Other Ways to Say: Take it one step at a time / Deal with it later
13. Barking up the wrong tree
Meaning: Looking for answers in the wrong place or making a mistaken guess.
For Example: If you think I took your pencil, you are barking up the wrong tree. / The detective realized he was barking up the wrong tree.
Other Ways to Say: Following a cold lead / Off track
14. Beat around the bush
Meaning: Avoiding saying what you mean because it is uncomfortable.
For Example: Stop beating around the bush and just tell me what happened. / He beat around the bush instead of answering the question.
Other Ways to Say: Drag your feet / Avoid the point
15. Penny for your thoughts
Meaning: Asking someone what they are thinking about.
For Example: You look very quiet today, a penny for your thoughts. / A penny for your thoughts as you look out the window.
Other Ways to Say: What is on your mind / Tell me what you think
16. Burn the midnight oil
Meaning: To stay up late working or studying.
For Example: She burned the midnight oil to finish her science report. / Burning the midnight oil makes it hard to wake up early.
Other Ways to Say: Stay up late / Night owl work
17. Cut corners
Meaning: Doing something quickly or cheaply by skipping steps.
For Example: If you cut corners on your essay, your teacher will notice. / The team lost because they cut corners during practice.
Other Ways to Say: Take shortcuts / Skimp on quality
18. Back to the drawing board
Meaning: Starting over again because a previous attempt failed.
For Example: The paper airplane crashed immediately, so it was back to the drawing board. / When the experiment failed, we went back to the drawing board.
Other Ways to Say: Start from scratch / Try again
19. Add insult to injury
Meaning: To make a bad situation even worse.
For Example: Losing my lunch money added insult to injury after missing the bus. / It added insult to injury when it started raining on my torn poster.
Other Ways to Say: Make matters worse / Rub salt in the wound
20. Best of both worlds
Meaning: A situation where you can enjoy two different advantages at once.
For Example: Living near the park and close to school gives us the best of both worlds. / Having a fun project that also gives extra credit is the best of both worlds.
Other Ways to Say: Ideal situation / Win-win choice
21. Blessing in disguise
Meaning: Something good that seemed bad at first.
For Example: Missing the bus was a blessing in disguise because I met a new friend. / The rain was a blessing in disguise because we stayed inside and played games.
Other Ways to Say: Hidden benefit / Silver lining
22. Pull someone’s leg
Meaning: To joke with someone or tell them something untrue for fun.
For Example: Do not worry, I was just pulling your leg about the pop quiz. / He likes to pull your leg to see if you believe him.
Other Ways to Say: Tease someone / Kid around
23. Up in the air
Meaning: Something that is uncertain or not yet decided.
For Example: Our weekend plans are still up in the air due to the weather. / The location for the field trip is up in the air.
Other Ways to Say: On hold / Unsettled
24. Miss the boat
Meaning: To lose an opportunity by acting too slowly.
For Example: If you do not sign up today, you will miss the boat on the club field trip. / He missed the boat on getting front row seats.
Other Ways to Say: Lose a chance / Be too late
25. See eye to eye
Meaning: To agree completely with another person.
For Example: My lab partner and I do not always see eye to eye. / They see eye to eye on how to structure the presentation.
Other Ways to Say: Agree completely / Be on the same page
26. Throw in the towel
Meaning: To give up or admit defeat.
For Example: Even when the game was hard, the team refused to throw in the towel. / Do not throw in the towel on learning that instrument.
Other Ways to Say: Give up / Surrender
27. On the ball
Meaning: Alert, quick to understand, and well prepared.
For Example: The class president is really on the ball with project deadlines. / You need to be on the ball to pass this class.
Other Ways to Say: Sharp / Wide awake
28. In the same boat
Meaning: Facing the same difficult situation as someone else.
For Example: We are all in the same boat when it comes to studying for finals. / Do not worry, your friends are in the same boat.
Other Ways to Say: Shared situation / In this together
29. Hit the nail on the head
Meaning: To say or do something that is exactly right.
For Example: You hit the nail on the head with that answer in class. / Her summary of the book hit the nail on the head.
Other Ways to Say: Spot on / Right on the target
30. Kill two birds with one stone
Meaning: To accomplish two goals with a single action.
For Example: Walking to school lets me get exercise and chat with friends, killing two birds with one stone. / I killed two birds with one stone by doing chores while listening to audiobooks.
Other Ways to Say: Double accomplishment / Two-for-one effort
31. Rule of thumb
Meaning: A general guidelines based on experience rather than exact science.
For Example: As a rule of thumb, check your work before handing in the test. / A good rule of thumb is to drink plenty of water during sports.
Other Ways to Say: General rule / Useful guide
32. Out of the blue
Meaning: Happening suddenly and unexpectedly.
For Example: An old friend called me out of the blue yesterday. / Out of the blue, the sky cleared up and the sun came out.
Other Ways to Say: Without warning / All of a sudden
33. The last straw
Meaning: The final problem in a series that makes someone lose patience.
For Example: Spilling juice on my paper was the last straw today. / When the computer crashed, it was the last straw.
Other Ways to Say: Breaking point / Final straw
34. Turn over a new leaf
Meaning: To start fresh and make a positive change in behavior.
For Example: He decided to turn over a new leaf and stay organized this semester. / Turning over a new leaf helped her get better grades.
Other Ways to Say: Make a fresh start / Change your ways
35. Wrap your head around
Meaning: To understand something complex or unusual.
For Example: It took me a while to wrap my head around the algebra formula. / I cannot wrap my head around how fast time went by.
Other Ways to Say: Get a grip on / Comprehend
36. Face the music
Meaning: To accept responsibility for a mistake or bad situation.
For Example: After breaking the window, he had to face the music with his parents. / It is better to face the music early than delay it.
Other Ways to Say: Take the blame / Accept the consequences
37. Go the extra mile
Meaning: To do more than what is expected of you.
For Example: She went the extra mile by adding illustrations to her book report. / Teachers love when students go the extra mile.
Other Ways to Say: Put in extra effort / Exceed expectations
38. Keep an eye on
Meaning: To watch or supervise someone or something carefully.
For Example: Please keep an eye on my backpack while I get water. / The guard keeps an eye on the hallway during recess.
Other Ways to Say: Watch closely / Pay attention to
39. Play it by ear
Meaning: To handle a situation as it develops without a strict plan.
For Example: We do not have a set schedule for Saturday, so we will play it by ear. / Let us play it by ear and see how the weather looks.
Other Ways to Say: Wing it / Figure it out as you go
40. Raining cats and dogs
Meaning: Raining very heavily.
For Example: We had to stay inside during recess because it was raining cats and dogs. / Put on your raincoat, it is raining cats and dogs outside.
Other Ways to Say: Pouring rain / Downpour
41. Straight from the horse’s mouth
Meaning: Getting information directly from the person involved.
For Example: I know the test is postponed because I heard it straight from the horse’s mouth. / Get the news straight from the horse’s mouth before repeating it.
Other Ways to Say: Direct source / Firsthand information
42. Take it with a grain of salt
Meaning: To view information with doubt or skepticism.
For Example: You should take rumors on social media with a grain of salt. / I take his wild stories with a grain of salt.
Other Ways to Say: Be skeptical / Don’t take it literally
43. Through thick and thin
Meaning: Supporting someone through good times and bad times.
For Example: Best friends stick together through thick and thin. / My family has supported me through thick and thin.
Other Ways to Say: In all circumstances / Come rain or shine
44. Under the wire
Meaning: Just in time before a deadline expires.
For Example: I submitted my assignment right under the wire at 11:59 PM. / They finished setting up the gym under the wire.
Other Ways to Say: At the last minute / In the nick of time
45. Cold feet
Meaning: Sudden loss of courage or feeling nervous before an event.
For Example: He got cold feet right before he had to give his speech. / She had cold feet before jumping into the deep end of the pool.
Other Ways to Say: Nervousness / Sudden hesitation
46. At the drop of a hat
Meaning: Instantly, without hesitation or delay.
For Example: She is ready to go to the park at the drop of a hat. / He will help a friend at the drop of a hat.
Other Ways to Say: Immediately / Without delay
47. Burn bridges
Meaning: Destroy relationships or paths back to a previous situation.
For Example: Try not to burn bridges when you leave a team or group. / Being polite helps you avoid burning bridges with friends.
Other Ways to Say: Cut ties / Ruin relationships
48. Curiosity killed the cat
Meaning: Being overly curious can lead you into trouble.
For Example: Do not open that locked box, curiosity killed the cat. / Curiosity killed the cat when he peeked at the birthday gifts.
Other Ways to Say: Mind your business / Don’t pry
49. Drive someone up the wall
Meaning: To annoy or frustrate someone very much.
For Example: The clicking noise of the pen was driving me up the wall. / Loud chewing can drive people up the wall.
Other Ways to Say: Irritate / Bug someone
50. In the spotlight
Meaning: Receiving a lot of public attention.
For Example: Winning the spelling bee put her right in the spotlight. / He loves being in the spotlight during school performances.
Other Ways to Say: Center of attention / In the limelight
51. Jump on the bandwagon
Meaning: Join a popular trend or activity just because others are doing it.
For Example: Everyone jumped on the bandwagon when the new video game came out. / She jumped on the bandwagon and started collecting cards too.
Other Ways to Say: Follow the crowd / Join the trend
52. Let off steam
Meaning: To release energy, stress, or anger in a healthy way.
For Example: Running around at recess helps students let off steam. / Playing music is my favorite way to let off steam after school.
Other Ways to Say: Blow off anger / Unwind
53. On top of the world
Meaning: Feeling extremely happy or successful.
For Example: After winning the soccer championship, the team felt on top of the world. / I felt on top of the world when I got an A on my project.
Other Ways to Say: Over the moon / Delighted
54. Over the moon
Meaning: Extremely pleased and happy about something.
For Example: She was over the moon when she got a new puppy. / Our class was over the moon about getting extra recess.
Other Ways to Say: Thrilled / Elated
55. Save for a rainy day
Meaning: Put aside money or resources for future needs.
For Example: I try to save some of my allowance for a rainy day. / It is wise to save your extra supplies for a rainy day.
Other Ways to Say: Put away / Store up
56. Spitting image
Meaning: Looking almost identical to someone else.
For Example: My brother is the spitting image of our dad at that age. / She is the spitting image of her older sister.
Other Ways to Say: Look-alike / Double
57. Steal someone’s thunder
Meaning: Take credit for someone else’s ideas or distract from their success.
For Example: Announcing his news during her party felt like stealing her thunder. / Try not to steal someone’s thunder on their special day.
Other Ways to Say: Upstage / Take the credit
58. Take with a grain of salt
Meaning: Understand that something may not be completely true.
For Example: You should take that story with a grain of salt until we verify it. / I took her claim with a grain of salt.
Other Ways to Say: Doubt slightly / Question it
59. Throw caution to the wind
Meaning: Take a risk without worrying about the outcome.
For Example: He threw caution to the wind and tried the hardest climb on the wall. / Sometimes you have to throw caution to the wind and try new things.
Other Ways to Say: Take a chance / Risk it
60. Zip your lip
Meaning: To stop talking or keep quiet about a secret.
For Example: Zip your lip while the teacher is giving instructions. / I promised to zip my lip about the surprise gift.
Other Ways to Say: Keep quiet / Hush
Exercise to Practice
- The math homework took only five minutes because it was a ________.
- I need to go home and ________ for the science exam tomorrow.
- Good luck on stage tonight, go out there and ________!
- Sarah was feeling ________ so she stayed home in bed.
- Please do not ________ about the surprise birthday party.
- I am still ________ about whether to play soccer or basketball.
- Buying brand new video games can ________ if you buy too many.
- We only get to go to the water park ________ during the summer.
- I heard ________ that our class is getting a pizza party.
- It is getting late, so let us finish this assignment and ________.
- If you think I took your pencil, you are ________.
- Stop avoiding the question and stop ________.
- You look very thoughtful right now, a ________.
- My older sister had to ________ to finish her research paper.
- If you skip steps on your science project, you are just trying to ________.
Answer Key
- piece of cake
- hit the books
- break a leg
- under the weather
- spill the beans
- on the fence
- cost an arm and a leg
- once in a blue moon
- through the grapevine
- call it a day
- barking up the wrong tree
- beating around the bush
- penny for your thoughts
- burn the midnight oil
- cut corners
Conclusion
Learning common idioms is a great way for 6th graders to expand their vocabulary and understand figurative language better. Knowing these expressions makes reading books easier and helps kids express themselves clearly in conversation.
Try using a few of these idioms next time you talk with your friends, family, or classmates. Using these fun phrases in everyday conversations will help you remember them and sound like a more confident speaker.
