Sometimes, our thoughts go in circles. We keep thinking about the same thing again and again. This is called overthinking. It can make us feel stuck or worried, even when there is no real problem. Many people overthink schoolwork, friendships, or small mistakes. When we overthink, it’s hard to move forward.
To talk about overthinking, people often use idioms. Idioms are special phrases with meanings that are different from the words they use. They help us explain feelings in fun or clever ways. In this article, we will learn some idioms people say when someone is thinking too much. These idioms will help you understand yourself and others better.
Idioms for Overthinking
1. Beat a dead horse
Meaning: To keep talking about something that’s already been settled.
In a Sentence: Mia kept talking about her bad grade even after her teacher explained it. / Dad said, “Let it go. Don’t beat a dead horse.”
Other Ways to Say: Going over the same thing again / Not letting go
2. Lose sleep over it
Meaning: To worry too much about something.
In a Sentence: Jason lost sleep over his missing homework. / I told him, “It’s okay, just talk to your teacher.”
Other Ways to Say: Worry too much / Stress about it
3. Make a mountain out of a molehill
Meaning: To turn a small problem into a big one.
In a Sentence: Sarah spilled water, then cried like it was a disaster. / Her brother said she was making a mountain out of a molehill.
Other Ways to Say: Blow it out of proportion / Act like it’s worse than it is
4. Get in your own head
Meaning: To think so much that it makes things harder.
In a Sentence: Before the spelling bee, Emma got in her own head and forgot the first word. / Her coach told her to breathe and stay calm.
Other Ways to Say: Think too much / Overthink
5. Split hairs
Meaning: To focus on tiny, unimportant details.
In a Sentence: While making a poster, Liam kept asking if the blue was “too blue.” / His teacher said, “Don’t split hairs just finish it.”
Other Ways to Say: Be picky / Worry about small things
6. Run in circles
Meaning: To keep thinking or doing things without making progress.
In a Sentence: Jake kept erasing his essay and starting over. / He was running in circles instead of finishing it.
Other Ways to Say: Go nowhere / Be stuck
7. Over the top
Meaning: Doing or thinking too much.
In a Sentence: Ava made 10 different plans for her birthday party. / Her mom said it was a bit over the top.
Other Ways to Say: Too much / Extra
8. Stir the pot
Meaning: To bring up something old that causes stress.
In a Sentence: Noah reminded Sam of a past mistake right before the game. / The coach said, “Don’t stir the pot.”
Other Ways to Say: Bring up drama / Make things worse
9. In a tizzy
Meaning: Feeling upset or confused because of too much thinking.
In a Sentence: Lily got in a tizzy over what to wear to the school photo. / Her friend said, “It’s just a picture!”
Other Ways to Say: Freaking out / Stressed out
10. Second-guess
Meaning: To keep doubting your choice.
In a Sentence: After picking her science topic, Zoe kept second-guessing it. / Her teacher said, “Trust yourself.”
Other Ways to Say: Keep doubting / Unsure again
11. Chase your tail
Meaning: Doing the same thing again and again without results.
In a Sentence: Matt rewrote his speech four times in one night. / His mom said he was chasing his tail.
Other Ways to Say: Going in circles / Wasting time
12. Tie yourself in knots
Meaning: To get very worried from thinking too hard.
In a Sentence: Before her piano show, Julia tied herself in knots over every note. / Her dad told her, “Just play and have fun.”
Other Ways to Say: Stress out / Get anxious
13. Dwell on it
Meaning: To keep thinking about something for too long.
In a Sentence: Alex kept dwelling on the one question he missed in the test. / His mom said, “Focus on what you got right.”
Other Ways to Say: Think about it too much / Stay stuck
14. Go down a rabbit hole
Meaning: To keep thinking deeper and deeper until you’re lost.
In a Sentence: One search about planets led Max down a rabbit hole of facts. / He forgot to do his homework.
Other Ways to Say: Get carried away / Lose focus
15. Freeze up
Meaning: To stop doing something because of worry.
In a Sentence: During his class talk, Omar froze up and forgot his lines. / His friend helped him start again.
Other Ways to Say: Get stuck / Stop from fear
16. Burn out
Meaning: To feel tired from doing or thinking too much.
In a Sentence: After planning the school fair, Emma felt burned out. / She needed a break.
Other Ways to Say: Too tired / Worn out
17. Think something to death
Meaning: To overthink something until it stops being helpful.
In a Sentence: Evan kept changing his science project until he thought it to death. / His teacher said, “Just pick one and go.”
Other Ways to Say: Overthink it / Ruin by thinking too much
18. Over-analyze
Meaning: To look too closely at something.
In a Sentence: Bella over-analyzed every sentence in her story. / Her teacher said, “It’s already good.”
Other Ways to Say: Read too much into it / Think too deeply
19. Go off the deep end
Meaning: To react in a big way after overthinking.
In a Sentence: Mark didn’t get a text back and went off the deep end. / His sister said, “Relax, maybe they’re busy.”
Other Ways to Say: Overreact / Freak out
20. Pick apart
Meaning: To find problems in everything.
In a Sentence: Nora picked apart every word of her speech. / She ended up feeling unsure.
Other Ways to Say: Be too critical / Overthink the details
21. Mind spinning
Meaning: When your thoughts are going too fast.
In a Sentence: After the pop quiz, Jamie’s mind was spinning. / He couldn’t think clearly.
Other Ways to Say: Too many thoughts / Mental mess
22. Walk on eggshells
Meaning: To be overly careful about what you say or do.
In a Sentence: Mia walked on eggshells around her friend after their fight. / It made her feel nervous all day.
Other Ways to Say: Be super careful / Afraid to speak
23. Think in circles
Meaning: To keep repeating your thoughts without solving anything.
In a Sentence: Ben thought in circles about what to say to his coach. / His friend helped him write it down.
Other Ways to Say: No clear answer / Confused thinking
24. Cloud your mind
Meaning: To let thoughts block clear thinking.
In a Sentence: Worry about the test clouded Zoe’s mind. / She forgot things she knew.
Other Ways to Say: Foggy brain / Not thinking straight
25. Overthink it
Meaning: To think more than you need to.
In a Sentence: Josh overthought his outfit for picture day. / His friend said, “You look fine.”
Other Ways to Say: Think too hard / Worry without reason
Exercise to Practice
- When Emma kept talking about her old science project, her teacher said, “Stop trying to __________.”
- Before the math test, Noah’s __________ kept him up all night.
- Kayla was just choosing a lunchbox, but she was __________ about every color and shape.
- Marcus __________ after seeing his test score and started crying before checking the rest.
- Liam kept thinking about his missed goal. Coach said, “Don’t __________. Focus on the next game.”
- Maya was __________ about her new haircut even though everyone said it looked fine.
- When planning her birthday, Ella went a little __________ with the balloons and lights.
- Luke started his homework five times and never finished. His mom said he was __________.
- Jason __________ the project instructions and ended up more confused than before.
- Ben’s thoughts started to __________ when he saw the pop quiz on his desk.
Answer Key
- beat a dead horse
- losing sleep over it
- splitting hairs
- went off the deep end
- dwelling on it
- overthinking
- over the top
- chasing his tail
- over-analyzed
- mind was spinning
Conclusion
Overthinking can make small things feel big. It can stop us from enjoying the moment or making simple choices. Learning idioms about overthinking helps us understand how others feel and also how to explain our own thoughts.
These idioms give us new ways to talk about worry, stress, and going too far with thinking. By using them, we can spot overthinking and learn to slow it down. With practice, we can think clearly and feel better.