27 Idioms for Brain: Unlocking the Mind


They are the powerhouse behind our actions and decisions. These idioms allow us to tap into the intricacies of our cognitive abilities and share our thoughts and experiences in a unique and imaginative way.

Let’s dive into this list of idioms and delve into their meanings and usage.

The brain is like a supercomputer, processing vast amounts of information, solving complex problems, and storing a lifetime of memories with incredible speed and precision. For more comparisons to describe the brain, you can check this link: Similes for brain. And for a variety of metaphors related to the brain, you can explore this link: Metaphors for brain.

What is an Idiom for Brain?

Idioms for the brain are expressions that capture various aspects of our mental processes, from thinking and generating ideas to experiencing moments of confusion or insight.


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Created by Dr. Julia Rossi

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1 / 20

What is a simile?

2 / 20

Identify the simile in the following sentence: “She swims like a fish.”

3 / 20

What is a metaphor?

4 / 20

Which of the following is a metaphor?

5 / 20

What is an idiom?

6 / 20

What does the idiom “break the ice” mean?

7 / 20

What is an adjective?

8 / 20

Choose the adjective in the following sentence: “The quick brown fox jumps over the lazy dog.”

9 / 20

What is an abbreviation?

10 / 20

What does the abbreviation “e.g.” stand for?

11 / 20

What is a verb?

12 / 20

Identify the verb in the following sentence: “The cat sleeps on the sofa.”

13 / 20

“Out of the frying pan into the fire” is an example of:

14 / 20

Which of the following is an adjective?

15 / 20

The abbreviation “NASA” stands for:

16 / 20

Choose the metaphor in the following sentence: “Time is a thief.”

17 / 20

What does the idiom “hit the books” mean?

18 / 20

Which of the following sentences contains a simile?

19 / 20

“LOL” is an abbreviation for:

20 / 20

Identify the verb in this sentence: “They whispered secrets into the night.”

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These idioms provide a colorful and intriguing way to describe the workings of our minds. Let’s explore each idiom:

IdiomMeaningIn a Sentence
Rack One’s BrainsTo think hard or intensely about something to find a solution or answer.She racked her brains all night to come up with a plan for the project.
Pick Someone’s BrainTo ask someone for advice or information on a particular topic, often because they are knowledgeable about it.I decided to pick his brain about the best places to visit in the city.
Brain DrainThe emigration of highly educated or skilled individuals from one place to another, often resulting in a loss of expertise.The brain drain of talented scientists was a concern for the research institution.
Brain TeaserA challenging and puzzling problem or question that requires deep thought or cleverness to solve.Solving crossword puzzles is a great way to exercise your brain and enjoy brain teasers.
BrainchildA project, idea, or creation that is the result of one’s own thinking or imagination.The new app was his brainchild and became a massive success.
Brain TrustA group of highly intelligent and knowledgeable individuals who provide advice and expertise on a particular subject or problem.The brain trust of engineers was assembled to tackle the complex challenge.
BrainwaveA sudden and clever idea or solution that comes to mind unexpectedly.His brainwave of using solar panels to power the village was brilliant.
Have a BrainstormTo engage in a group discussion or session to generate new ideas, solutions, or strategies.We had a brainstorming session to come up with innovative concepts.
Brain FartA temporary lapse in memory or a momentary inability to think clearly, often resulting in forgetfulness or confusion.I had a brain fart during the exam and forgot the answer.
Brain FreezeA sudden headache or discomfort caused by consuming something very cold too quickly.She got a brain freeze from eating her ice cream too fast.
BrainyHaving high intelligence or being very smart.The young prodigy was known for being exceptionally brainy.
Brainstorming SessionA collaborative and creative meeting or discussion where participants generate ideas and solutions.The marketing team scheduled a brainstorming session for the new campaign.
BrainwashTo manipulate or influence someone’s thoughts or beliefs through intense persuasion.The cult leader used mind control techniques to brainwash his followers.
Use One’s NogginTo use one’s brain or intelligence to think, solve problems, or make decisions.It’s time to use your noggin and figure out the best approach.
Brain DumpThe act of quickly recording one’s thoughts or ideas, often to clear one’s mind or organize thoughts.He did a brain dump of his ideas before the meeting.
BrainpowerThe intellectual capacity or cognitive ability of an individual.The team’s combined brainpower led to innovative solutions.
Brainy BunchA group of highly intelligent individuals.The science club members were a brainy bunch, always discussing experiments.
BrainboxA person who is very intelligent or knowledgeable in a particular field.He was a true brainbox when it came to computer programming.
Beat One’s Brains OutTo work extremely hard to solve a problem or achieve a goal.She beat her brains out studying for the exam and got a top score.
BrainiacA person who is exceptionally intelligent or brilliant.The math prodigy was a certified brainiac and solved complex equations easily.
Brain SurgeryA metaphorical expression for a task that requires high precision, expertise, or concentration.Fixing the machinery was like brain surgery; one wrong move could ruin it.
BrainstormingThe act of generating ideas or solutions in a creative manner, often in a group setting.The brainstorming session resulted in innovative suggestions for the project.
BrainstormerA person skilled at generating creative ideas or solutions, often in a group.She was the team’s top brainstormer, always coming up with unique concepts.
Brain SaladA state of confusion or disarray in one’s thoughts or mind.After the long day, his brain felt like a brain salad, and he needed rest.
Brain DeadLacking intelligence, awareness, or mental activity; unable to think or function effectively.After the accident, he was brain dead and on life support.
Brainstorm a ProblemTo think deeply and creatively about a problem to come up with solutions.The team decided to brainstorm the problem to find the best approach.
idioms for brain

Idioms for Brain

1. Rack One’s Brains

Meaning: To think hard or intensely about something in order to find a solution or answer.

In a Sentence: She racked her brains all night, trying to come up with a plan for the project.

2. Pick Someone’s Brain

Meaning: To ask someone for advice or information on a particular topic, often because they are knowledgeable about it.

In a Sentence: I decided to pick his brain about the best places to visit in the city since he’s lived here for years.

3. Brain Drain

Meaning: The emigration of highly educated or skilled individuals from one country, organization, or field to another, often resulting in a loss of expertise.

In a Sentence: The brain drain of talented scientists to other countries was a significant concern for the research institution.

4. Brain Teaser

Meaning: A challenging and puzzling problem or question that requires deep thought or cleverness to solve.

In a Sentence: Solving crossword puzzles is a great way to exercise your brain and enjoy brain teasers.

5. Brainchild

Meaning: A project, idea, or creation that is the result of one’s own thinking or imagination.

In a Sentence: The new app was his brainchild, and it became a massive success.

6. Brain Trust

Meaning: A group of highly intelligent and knowledgeable individuals who provide advice and expertise on a particular subject or problem.

In a Sentence: The brain trust of engineers and scientists was assembled to tackle the complex engineering challenge.

7. Brainwave

Meaning: A sudden and clever idea or solution that comes to mind, often unexpectedly.

In a Sentence: His brainwave of using solar panels to power the remote village was brilliant and sustainable.

8. Have a Brainstorm

Meaning: To engage in a group discussion or session to generate new ideas, solutions, or strategies.

In a Sentence: We had a brainstorming session to come up with innovative marketing concepts for the product launch.

9. Brain Fart

Meaning: A temporary lapse in memory or a momentary inability to think clearly, often resulting in forgetfulness or confusion.

In a Sentence: I had a brain fart during the exam and forgot the answer to a simple question.

10. Brain Freeze

Meaning: A sudden headache or discomfort caused by consuming something very cold, such as ice cream, too quickly.

In a Sentence: She got a brain freeze from eating her ice cream too fast.

11. Brainy

Meaning: Having high intelligence or being very smart.

In a Sentence: The young prodigy was known for being exceptionally brainy and excelling in academics.

12. Brainstorming Session

Meaning: A collaborative and creative meeting or discussion where participants generate ideas and solutions.

In a Sentence: The marketing team scheduled a brainstorming session to come up with a new advertising campaign.

13. Brainwash

Meaning: To manipulate or influence someone’s thoughts, beliefs, or opinions through intense and repetitive persuasion.

In a Sentence: The cult leader used mind control techniques to brainwash his followers into unquestioning loyalty.

14. Use One’s Noggin

Meaning: To use one’s brain or intelligence to think, solve problems, or make decisions.

In a Sentence: It’s time to use your noggin and figure out the best approach to tackle this challenge.

15. Brain Dump

Meaning: The act of quickly recording or jotting down one’s thoughts, ideas, or information, often to clear one’s mind or organize thoughts.

In a Sentence: Before the meeting, he did a brain dump of all his ideas onto paper to share with the team.

16. Brainpower

Meaning: The intellectual capacity, mental acuity, or cognitive ability of an individual.

In a Sentence: The team’s combined brainpower led to innovative solutions to the complex problem.

17. Brainy Bunch

Meaning: A group of highly intelligent or knowledgeable individuals.

In a Sentence: The members of the science club were a brainy bunch, always discussing fascinating experiments and theories.

18. Brainbox

Meaning: A person who is very intelligent or knowledgeable in a particular field.

In a Sentence: He was a true brainbox when it came to computer programming, and he could solve any coding challenge.

19. Beat One’s Brains Out

Meaning: To work extremely hard or diligently to solve a problem or achieve a goal.

In a Sentence: She beat her brains out studying for the exam, and her efforts paid off with a top score.

20. Brainiac

Meaning: A person who is exceptionally intelligent or brilliant.

In a Sentence: The young math prodigy was a certified brainiac and could solve complex equations effortlessly.

21. Brain Surgery

Meaning: A metaphorical expression referring to a task or activity that requires a high level of precision, expertise, or concentration.

In a Sentence: Fixing the delicate machinery was like brain surgery; one wrong move, and it could all go wrong.

22. Brainstorming

Meaning: The act of generating ideas or solutions in a creative and free-flowing manner, often in a group setting.

In a Sentence: The brainstorming session led to a plethora of innovative suggestions for the new project.

23. Brainstormer

Meaning: A person who is skilled at generating creative ideas or solutions, often in a collaborative setting.

In a Sentence: She was the team’s top brainstormer, always coming up with fresh and unique concepts.

24. Brain Salad

Meaning: A state of confusion or disarray in one’s thoughts or mind.

In a Sentence: After a long day at work, his brain felt like a brain salad, and he needed some rest.

25. Brain Dead

Meaning: Lacking intelligence, awareness, or mental activity; unable to think or function effectively.

In a Sentence: After the accident, he was left brain dead and reliant on life support.

26. Brainstorm a Problem

Meaning: To think deeply and creatively about a problem in order to come up with possible solutions.

In a Sentence: The team decided to brainstorm the problem together and explore different approaches.

Quizzes About The Idioms in The Article

Here are 10 quizzes based on the idioms for the brain mentioned in the article:

Quiz 1: “Rack One’s Brains”

  1. What does the idiom “Rack One’s Brains” mean?
    a) To relax and daydream
    b) To think hard or intensely about something to find a solution or answer
    c) To take a break from thinking
  2. Can you use “Rack One’s Brains” in a sentence?

Quiz 2: “Pick Someone’s Brain”

  1. What does the idiom “Pick Someone’s Brain” mean?
    a) To physically pick someone’s head
    b) To ask someone for advice or information on a particular topic, often because they are knowledgeable about it
    c) To challenge someone’s intelligence
  2. Can you use “Pick Someone’s Brain” in a sentence?

Quiz 3: “Brain Drain”

  1. What does the idiom “Brain Drain” mean?
    a) The act of losing one’s memory
    b) The emigration of highly educated or skilled individuals from one place to another, often resulting in a loss of expertise
    c) A headache
  2. Can you use “Brain Drain” in a sentence?

Quiz 4: “Brain Teaser”

  1. What does the idiom “Brain Teaser” mean?
    a) A challenging and puzzling problem or question that requires deep thought or cleverness to solve
    b) A soothing and relaxing activity for the mind
    c) A simple and straightforward task
  2. Can you use “Brain Teaser” in a sentence?

Quiz 5: “Brainchild”

  1. What does the idiom “Brainchild” mean?
    a) A project or idea that is the result of one’s own thinking or imagination
    b) A project that has failed
    c) A project that was not well thought out
  2. Can you use “Brainchild” in a sentence?

Quiz 6: “Brain Trust”

  1. What does the idiom “Brain Trust” mean?
    a) A group of people who lack intelligence
    b) A group of highly intelligent and knowledgeable individuals who provide advice and expertise on a particular subject or problem
    c) A group of people with diverse skills
  2. Can you use “Brain Trust” in a sentence?

Quiz 7: “Brainwave”

  1. What does the idiom “Brainwave” mean?
    a) A sudden and clever idea or solution that comes to mind, often unexpectedly
    b) A brain injury
    c) A continuous stream of thoughts
  2. Can you use “Brainwave” in a sentence?

Quiz 8: “Have a Brainstorm”

  1. What does the idiom “Have a Brainstorm” mean?
    a) To relax and take a nap
    b) To engage in a group discussion or session to generate new ideas, solutions, or strategies
    c) To have a heated argument
  2. Can you use “Have a Brainstorm” in a sentence?

Quiz 9: “Brain Fart”

  1. What does the idiom “Brain Fart” mean?
    a) A sudden burst of intelligence
    b) A temporary lapse in memory or a momentary inability to think clearly, often resulting in forgetfulness or confusion
    c) A boost in mental energy
  2. Can you use “Brain Fart” in a sentence?

Quiz 10: “Brain Freeze”

  1. What does the idiom “Brain Freeze” mean?
    a) A sudden surge of intelligence
    b) A sudden headache or discomfort caused by consuming something very hot
    c) A sudden headache or discomfort caused by consuming something very cold, such as ice cream, too quickly
  2. Can you use “Brain Freeze” in a sentence?

Feel free to test your knowledge of these idioms for the brain with these quizzes!

Conclusion

These idioms for the brain offer a fascinating glimpse into the complexity and versatility of our minds. From moments of inspiration to challenges and lapses in memory, our brains are constantly at work.

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