Idioms are special phrases where the words together have a different meaning than the words do on their own. People use them to make conversation more colorful, expressive, and fun. In this article, you will learn fifty common idioms that relate to adults and growing up.
In this lesson, we’ll look at idioms that mean adult life experiences and responsibilities. Let’s get started and explore some of these helpful expressions.
Idioms for Adults
1. Safe and sound
Definition: Free from harm, danger, or injury after a risky situation.
Used in a Sentence: After the long road trip, the family arrived home safe and sound. / The lost puppy was found safe and sound in the park.
Similar Expressions: Out of the woods / Safe and secure
2. Back to the drawing board
Definition: Starting a plan over again because the first attempt failed.
Used in a Sentence: My business idea did not work out, so it is back to the drawing board for me. / We failed the budget test, meaning we are back to the drawing board.
Similar Expressions: Start from scratch / Try again
3. Burn the candle at both ends
Definition: Working excessively hard and staying up late while waking up early.
Used in a Sentence: He is always tired because he burns the candle at both ends with two jobs. / If you burn the candle at both ends, you will quickly run out of energy.
Similar Expressions: Overwork yourself / Push too hard
4. Cost an arm and a leg
Definition: To be extremely expensive or cost a large amount of money.
Used in a Sentence: Buying a brand new car right now would cost an arm and a leg. / The vacation tickets cost an arm and a leg, but it was worth it.
Similar Expressions: Cost a fortune / Very pricey
5. Hit the nail on the head
Definition: To describe or understand a situation or problem with complete accuracy.
Used in a Sentence: When she guessed why the project failed, she hit the nail on the head. / You hit the nail on the head when you said we need better time management.
Similar Expressions: Spot on / Right on target
6. Burn your bridges
Definition: To destroy your relationships or connections so you can never return.
Used in a Sentence: Never quit your job angrily because you do not want to burn your bridges. / He yelled at his old boss and truly burned his bridges.
Similar Expressions: Cut ties / Ruin relationships
7. Bite the bullet
Definition: To face a difficult or unpleasant situation with courage and move forward.
Used in a Sentence: I hate paying taxes, but I just have to bite the bullet. / She decided to bite the bullet and apologize for her mistake.
Similar Expressions: Face the music / Tough it out
8. Call it a day
Definition: To stop working on something for the rest of the day or evening.
Used in a Sentence: We have been working on the kitchen remodel for hours, so let us call it a day. / It is getting late, so let us call it a day and rest.
Similar Expressions: Wrap it up / Stop working
9. Cut to the chase
Definition: To get to the point without wasting time on unnecessary details.
Used in a Sentence: Please cut to the chase and tell me the total cost. / He did not want to chat, so he cut to the chase.
Similar Expressions: Get to the point / Skip the fluff
10. Give someone the benefit of the doubt
Definition: To believe someone is telling the truth even though there is doubt.
Used in a Sentence: I will give him the benefit of the doubt about why he was late. / Even though it looked suspicious, she gave her coworker the benefit of the doubt.
Similar Expressions: Trust blindly / Assume innocence
11. Let the cat out of the bag
Definition: To reveal a secret accidentally or too early.
Used in a Sentence: She let the cat out of the bag about the surprise birthday party. / Try not to let the cat out of the bag before the official announcement.
Similar Expressions: Spill the beans / Reveal the secret
12. Miss the boat
Definition: To lose an opportunity because you acted too slowly.
Used in a Sentence: If you do not buy tickets now, you will miss the boat. / He waited too long to apply for the apartment and missed the boat.
Similar Expressions: Lose the chance / Too late
13. Pull someone’s leg
Definition: To tease or joke with someone by telling a lie that is not serious.
Used in a Sentence: Do not believe him, he is just pulling your leg about winning the lottery. / I knew she was pulling my leg when she said it snowed in July.
Similar Expressions: Tease someone / Joke around
14. Under the weather
Definition: Feeling slightly sick, ill, or unwell.
Used in a Sentence: I am feeling a bit under the weather today, so I will stay home. / He missed work because he was under the weather.
Similar Expressions: Feeling sick / Unwell
15. Piece of cake
Definition: Something that is very easy to accomplish or do.
Used in a Sentence: The job interview was a piece of cake because I prepared well. / Passing that driving test turned out to be a piece of cake.
SimilarExpressions: Very easy / Walk in the park
16. Pull your weight
Definition: To do your fair share of the work in a group or job.
Used in a Sentence: Everyone on the team must pull their weight to finish the project. / If you do not pull your weight, the boss will notice.
Similar Expressions: Do your share / Work hard
17. Speak of the devil
Definition: Said when the person you are talking about suddenly appears.
Used in a Sentence: We were just talking about Sarah, and speak of the devil, she walked in. / Speak of the devil, Mark just called us on the phone.
Similar Expressions: Look who is here / Right on cue
18. Through thick and thin
Definition: Through good times and bad times without giving up.
Usedin a Sentence: They have been married for thirty years and stayed together through thick and thin. / A true friend supports you through thick and thin.
Similar Expressions: Through good and bad / Always loyal
19. Beat around the bush
Definition: To avoid talking directly about a subject because it is uncomfortable.
Used in a Sentence: Stop beating around the bush and tell me if I got the promotion. / He did not want to hurt her feelings, so he beat around the bush.
Similar Expressions: Avoid the topic / Talk in circles
20. Blessing in disguise
Definition: Something that seems bad at first but results in something good later.
Used in a Sentence: Losing that job was a blessing in disguise because it led to a better career. / Missing my flight felt terrible, but it was a blessing in disguise.
Similar Expressions: Hidden blessing / Fortunate turn
21. Drive someone up the wall
Definition: To make someone extremely annoyed, frustrated, or angry.
Used in a Sentence: The constant noise from the street drives me up the wall. / His messy habits drive his roommates up the wall.
Similar Expressions: Drive me crazy / Annoy greatly
22. Get a taste of your own medicine
Definition: To experience the same bad treatment that you have given to others.
Used in a Sentence: After being rude to people, he finally got a taste of his own medicine. / She tricked him, so he got a taste of his own medicine.
Similar Expressions: Payback time / Poetic justice
23. Jump on the bandwagon
Definition: To join a popular activity or trend that everyone else is doing.
Used in a Sentence: Many adults jumped on the bandwagon to buy the newest smartphone. / When the trend started, everyone jumped on the bandwagon.
Similar Expressions: Follow the crowd / Join the trend
24. Keep your chin up
Definition: To remain brave and optimistic during a difficult time.
Used in a Sentence: Keep your chin up, things will get better soon. / Even though work is hard, she manages to keep her chin up.
Similar Expressions: Stay positive / Remain hopeful
25. Once in a blue moon
Definition: Something that happens very rarely or almost never.
Used in a Sentence: I eat fast food once in a blue moon because I prefer healthy meals. / They visit their hometown once in a blue moon.
Similar Expressions: Very rarely / Seldom
26. Rule of thumb
Definition: A practical and rough guideline rule based on experience rather than science.
Used in a Sentence: A good rule of thumb is to save ten percent of every paycheck. / As a rule of thumb, always check the weather before camping.
Similar Expressions: General rule / Practical guide
27. Sit on the fence
Definition: To remain neutral and avoid making a decision or choosing a side.
Used in a Sentence: You cannot sit on the fence forever regarding the new company policy. / He sat on the fence because he liked both ideas.
Similar Expressions: Stay neutral / Undecided
28. Steal someone’s thunder
Definition: To take attention or praise away from someone else’s success.
Used in a Sentence: She announced her news at my party and stole my thunder. / Do not steal his thunder on his promotion day.
Similar Expressions: Take the spotlight / Steal the show
29. Take with a grain of salt
Definition: To not completely believe something because it might not be true.
Used in a Sentence: Take his stories about his wealth with a grain of salt. / You should take online reviews with a grain of salt.
Similar Expressions: Be skeptical / Doubt slightly
30. Throw in the towel
Definition: To give up or surrender because something is too difficult.
Used in a Sentence: After trying to fix the car for hours, he threw in the towel. / Do not throw in the towel just because the first test was tough.
Similar Expressions: Give up / Quit
31. Up in the air
Definition: Unsettled, undecided, or uncertain about the future.
Used in a Sentence: Our vacation plans are still up in the air due to work. / The meeting date is up in the air right now.
Similar Expressions: Uncertain / Unresolved
32. Water under the bridge
Definition: Past arguments or mistakes that are forgiven and forgotten.
Used in a Sentence: We had a fight last year, but that is water under the bridge now. / Let us forget our disagreement, it is water under the bridge.
Similar Expressions: In the past / Forgiven and forgotten
33. Actions speak louder than words
Definition: What you do matters much more than what you say you will do.
Used in a Sentence: He promised to help, but actions speak louder than words. / Do not just talk about fixing things, because actions speak louder than words.
Similar Expressions: Show, do not tell / Deeds over words
34. Barking up the wrong tree
Definition: To accuse the wrong person or pursue the wrong course of action.
Used in a Sentence: If you think I stole your pen, you are barking up the wrong tree. / The police were barking up the wrong tree during the investigation.
Similar Expressions: Wrong direction / Mistaken blame
35. Bite off more than you can chew
Definition: To take on more tasks or responsibilities than you can handle.
Used in a Sentence: Working two jobs and going to school means he bit off more than he can chew. / Do not volunteer for every project or you will bite off more than you can chew.
Similar Expressions: Overcommit yourself / Take on too much
36. Break the ice
Definition: To make people feel more comfortable and relaxed in a new setting.
Used in a Sentence: The host told a funny joke to break the ice at the meeting. / Playing a quick game helps break the ice with new coworkers.
Similar Expressions: Ease tension / Start conversation
37. Cry over spilled milk
Definition: To be upset or worry about something in the past that cannot be changed.
Used in a Sentence: We lost the contract, but there is no use crying over spilled milk. / It was an accident, so do not cry over spilled milk.
Similar Expressions: Dwelling on the past / Too late to fix
38. Cut corners
Definition: To do something poorly or cheaply to save time or money.
Used in a Sentence: Do not cut corners when building a house or it might fall. / The company cut corners on materials, leading to poor quality.
Similar Expressions: Do a sloppy job / Save shortcuts
39. Don’t count your chickens before they hatch
Definition: Do not assume success or a positive result before it actually happens.
Used in a Sentence: You got an interview, but do not count your chickens before they hatch. / Wait for the official job offer before telling people; do not count your chickens before they hatch.
Similar Expressions: Wait and see / Do not assume
40. Every cloud has a silver lining
Definition: Every bad or difficult situation has some positive aspect to it.
Used in a Sentence: Losing my keys was annoying, but finding a twenty-dollar bill on the floor proved every cloud has a silver lining. / Even though we failed, every cloud has a silver lining because we learned a lot.
Similar Expressions: Look for the good / Bright side
41. Get out of hand
Definition: To become uncontrollable, chaotic, or out of order.
Used in a Sentence: The party started getting out of hand, so the adults shut it down. / The argument between the neighbors got out of hand quickly.
Similar Expressions: Lose control / Get wild
42. Give someone the cold shoulder
Definition: To intentionally ignore or be unfriendly to someone.
Used in a Sentence: She was upset with him, so she gave him the cold shoulder all day. / Why is he giving me the cold shoulder at work?
Similar Expressions: Ignore someone / Give the silent treatment
43. Hit the sack
Definition: To go to bed in order to sleep.
Used in a Sentence: I am exhausted after a long workday, so I am going to hit the sack. / Let us finish this tomorrow and hit the sack early.
Similar Expressions: Go to sleep / Turn in
44. In the hot seat
Definition: In a difficult position where you face hard questions or pressure.
Used in a Sentence: The manager was in the hot seat during the financial review meeting. / When the boss asked about the missing funds, I felt like I was in the hot seat.
Similar Expressions: Under pressure / On the spot
45. Kill two birds with one stone
Definition: To accomplish two different goals with a single action.
Used in a Sentence: Stopping at the grocery store on the way home from work lets me kill two birds with one stone. / Studying while doing laundry helps me kill two birds with one stone.
Similar Expressions: Double efficiency / Two tasks at once
46. Leave no stone unturned
Definition: To search or try every possible way to achieve a goal.
Used in a Sentence: The detective promised to leave no stone unturned to find the truth. / We will leave no stone unturned when looking for a new house.
Similar Expressions: Try everything / Search thoroughly
47. Make ends meet
Definition: To earn just enough money to pay for your basic needs and bills.
Used in a Sentence: With high rent prices, many adults struggle to make ends meet. / He took on extra shifts to help make ends meet.
Similar Expressions: Pay the bills / Survive financially
48. On cloud nine
Definition: To be extremely happy, joyful, and ecstatic.
Used in a Sentence: When she got her dream job, she was on cloud nine. / Winning the award put him on cloud nine.
Similar Expressions: Over the moon / Extremely happy
49. Play devil’s advocate
Definition: To argue against an idea just to test its strength, not because you disagree.
Used in a Sentence: Let me play devil’s advocate and ask what happens if the budget drops. / He loves to play devil’s advocate during team meetings.
Similar Expressions: Question ideas / Test arguments
50. Rock the boat
Definition: To cause trouble, upset a stable situation, or create drama.
Used in a Sentence: Everything is running smoothly, so do not rock the boat. / She did not want to complain and rock the boat at her new job.
Similar Expressions: Cause trouble / Stir the pot
Exercise to Practice
- After driving for ten hours straight, the weary travelers arrived home safe and sound.
- When the team lost the championship match, they decided to call it a day and celebrate.
- Buying a brand new luxury sports car would cost an arm and a leg.
- She stayed up all night studying for her exam and decided to burn the candle at both ends.
- If you want to keep your job, you should always try to burn your bridges with coworkers.
- The manager wanted to waste time, so he asked everyone to cut to the chase.
- Even though the news looked bad, she gave her business partner the benefit of the doubt.
- He accidentally let the cat out of the bag about the surprise retirement party.
- If you do not register for the conference today, you will miss the boat.
- Do not take him seriously because he is only pulling your leg about quitting.
- I am feeling a bit under the weather today, so I will take a nap.
- Doing simple math for my budget turned out to be a piece of cake.
- Every member of the team must pull their weight to finish the project on time.
- When we started talking about our boss, speak of the devil, she walked into the room.
- They have been loyal business partners through thick and thin for decades.
Answer Key
- True
- False
- True
- True
- False
- False
- True
- True
- True
- True
- True
- True
- True
- True
- True
Conclusion
Learning these idioms helps adults express complex thoughts and feelings in simple, relatable ways. Enriching your vocabulary makes conversations more colorful and deepens your connection with others.
Try using one or two of these idioms in a conversation or a work email this week. You will find that expressing yourself creatively is both fun and rewarding.
Frequently Asked Questions
What are some common idioms for adults?
Common adult idioms include expressions like cost an arm and a leg, make ends meet, and call it a day. These phrases relate directly to everyday responsibilities, work, and finances.
Why do we use idioms in English?
Idioms add color, emotion, and creativity to regular conversations. They help people express complex ideas quickly and make speech sound much more natural.
How can I learn more English idioms?
You can learn more idioms by reading books, listening to podcasts, and paying attention to everyday conversations. Using them in your own writing is also a great way to remember them.
Are idioms used in professional workplaces?
Yes, many professional workplaces use common business idioms like cut to the chase or back to the drawing board. However, it is best to keep them clear and avoid overusing them in formal settings.
Can idioms be translated literally?
No, idioms cannot be translated word for word because their true meaning is cultural and figurative. Trying to translate them literally will often lead to confusion.







