think
1 Americanverb (used without object)
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to have a conscious mind, to some extent of reasoning, remembering experiences, making rational decisions, etc.
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to employ one's mind rationally and objectively in evaluating or dealing with a given situation.
Think carefully before you begin.
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to have a certain thing as the subject of one's thoughts.
I was thinking about you. We could think of nothing else.
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to call something to one's conscious mind.
I couldn't think of his phone number.
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to consider something as a possible action, choice, etc..
She thought about cutting her hair.
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to invent or conceive of something.
We thought of a new plan.
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to have consideration or regard for someone.
Think of others first.
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to esteem a person or thing as indicated.
to think badly of someone.
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to have a belief or opinion as indicated.
I think so.
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(of a device or machine, especially a computer) to use artificial intelligence to perform an activity analogous to human thought.
verb (used with object)
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to have or form in the mind as an idea, conception, etc.
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to have or form in the mind in order to understand, know, or remember something else.
Romantic comedy is all about chemistry: think Tracy and Hepburn. Can't guess? Here's a hint: think 19th century.
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to consider for evaluation or for possible action upon.
Think the deal over.
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to regard as specified.
He thought me unkind.
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to believe to be true of someone or something.
to think evil of the neighbors.
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to analyze or evolve rationally.
to think the problem out.
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to have as a plan or intention.
I thought that I would go.
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to anticipate or expect.
I did not think to find you here.
adjective
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of or relating to thinking or thought.
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Informal. stimulating or challenging to the intellect or mind.
the think book of the year.
noun
verb phrase
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think of
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to conceive of; imagine.
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to have an opinion or judgment of.
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to consider; anticipate.
When one thinks of what the future may bring, one is both worried and hopeful.
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think out / through
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to think about until a conclusion is reached; understand or solve by thinking.
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to devise by thinking; contrive.
He thought out a plan for saving time.
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think up to devise or contrive by thinking.
Can you think up an arrangement of furniture for this room?
idioms
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think twice, to weigh carefully before acting; consider.
I would think twice before taking on such a responsibility.
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think fit, to consider advisable or appropriate.
By all means, take a vacation if you think fit.
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think nothing of. nothing.
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think better of, to change one's mind about; reconsider.
She considered emigrating to Australia, but thought better of it.
verb (used without object)
verb
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(tr; may take a clause as object) to consider, judge, or believe
he thinks my ideas impractical
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to exercise the mind as in order to make a decision; ponder
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(intr) to be capable of conscious thought
man is the only animal that thinks
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to remember; recollect
I can't think what his name is
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to make the mental choice (of)
think of a number
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(may take a clause as object or an infinitive)
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to expect; suppose
I didn't think to see you here
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to be considerate or aware enough (to do something)
he did not think to thank them
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to consider; regard
she thinks of herself as a poet
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(intr) to focus the attention on being
think thin
think big
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(tr) to bring into or out of a specified condition by thinking
to think away one's fears
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slang a phrase added to an ironical statement
you're the paragon of virtue, I don't think
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to reconsider one's decision, opinion, etc
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to change one's mind about (a course of action, decision, etc)
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to have a more favourable opinion of (a person)
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(usually negative) to have a high opinion of
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to regard as routine, easy, or natural
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to have no compunction or hesitation about
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to have a very low opinion of
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to consider carefully before deciding (about something)
noun
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informal a careful, open-minded assessment
let's have a fresh think about this problem
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informal (modifier) characterized by or involving thinkers, thinking, or thought
a think session
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slang you are mistaken and will soon have to alter your opinion
Other Word Forms
Etymology
Origin of think1
First recorded before 900; Middle English thinken, variant of thenken, Old English thencan; cognate with Dutch, German denken, Old Norse thekkja, Gothic thagkjan; akin to Latin tongēre “to know” and thank
Origin of think2
First recorded before 900; Middle English thinken “to present the appearance of, seem,” Old English thyncan “to seem”; cognate with Dutch dunken, German dünken, Old Norse thykkja, Gothic thugkjan
Explanation
To think is to have an idea, belief, or thought about something. If you think that your parents are unusually strict, it means that you believe that to be true. The verb think means to reason, consider, or mull over. If you think for a while before you decide whether or not to get in your friend's car, it means that you're contemplating the situation before you act. If you think that people shouldn't eat animals, it means that you hold that opinion. If you think up a new, delicious way to cook broccoli, it means that you've invented or conceived of a great cooking method.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
“I think it’s the biggest competitive advantage,” United CEO Scott Kirby said on the “Cheeky Pint” podcast on Tuesday.
From MarketWatch ● Oct. 29, 2026
“I think people should still plan for rain for Halloween activities, but right now it looks more on the lighter side than moderate side,” earlier in the evening, he said.
From Los Angeles Times ● Oct. 29, 2026
She said she didn't think there was enough in the way of announcements of more support for farming and food, and this had "an impact on the rural economy".
From BBC ● Oct. 29, 2026
“I don’t think France prevents them from hiking again, but I do think it limits the extent to which they’re willing to hike,” said Mike Bell, head of market strategy at RBC BlueBay Asset Management.
From The Wall Street Journal ● Oct. 29, 2026
Throat constricting, I think but can’t say, Yes.
From "Will’s Race for Home" by Jewell Parker Rhodes
Sharon Owen, CEO of Calon Hearts, a Welsh charity that provides defibrillators and training, praised Hollings for his "quick thinking".
From BBC ● Oct. 29, 2026
The researchers also analyzed their speech to look for signs of disorganized thinking and communication.
From Science Daily ● Oct. 29, 2026
"Sustainable alternative livelihood requires more than thinking in terms of alternative crops," he said.
From Barron's ● Oct. 29, 2026
But “when it’s done well, it really binds, because they are thinking, alive things; they are. That’s our job to animate.”
From Los Angeles Times ● Oct. 28, 2026
“Yeah, I didn’t realize it was him. But thinking back, I’m sure now. He went that way,” I reply, pointing away from the old man’s house.
From "Split the Sky" by Marie Arnold
This was a time when the internet was building toward something we all thought was going to be better, more creative, more hopeful.
From Slate ● Oct. 29, 2026
"I've spent years proving people wrong, taking risks, and pushing myself against opponents nobody thought I'd face," Paul said.
From BBC ● Oct. 29, 2026
It became closely associated with dark energy, the name given to the unknown component thought to be responsible for this acceleration.
From Science Daily ● Oct. 29, 2026
“I thought that was a really good way to handle it. I would like to vote for her now, and I will.”
From Salon ● Oct. 29, 2026
And then she thought maybe Cam meant not being at the top, like it wasn’t about competition but her own personal standards.
From "Legendary Frybread Drive-In" by Cynthia Leitich Smith
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
