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:
Fans of the other 29 teams didn’t necessarily think it was fair that the Dodgers got Skubal.
From Los Angeles Times ● Oct. 1, 2026
He promised to reread it closely and to report on “just exactly what I think has to be changed in the interests of clarity and coherence.”
From The Wall Street Journal ● Oct. 1, 2026
Lest you think my opinion is an outlier, here’s what my predecessor Heather Havrilesky had to say about it when it first aired:
From Salon ● Oct. 1, 2026
And nothing about her life before or after the crime moved people to think she should be treated mercifully.
From Slate ● Oct. 1, 2026
“I think for you, less is more,” Dad says tactfully.
From "Split the Sky" by Marie Arnold
He’s said: “I set out to write this book thinking I’d reveal where all the skeletons are buried. Turns out most of them are mine.”
From Los Angeles Times ● Oct. 1, 2026
The decision now lies with the Energy Secretary Miatta Fahnbulleh, but will be seen as an important indication of Burnham's wider thinking on oil and gas.
From BBC ● Oct. 1, 2026
The chairman has renounced providing the type of verbal cues his predecessors used to shape investors’ thinking about upcoming rate moves.
From The Wall Street Journal ● Oct. 1, 2026
Alzheimer's disease gradually damages memory, thinking, and behavior and affects more than 7 million older adults in the United States.
From Science Daily ● Oct. 1, 2026
Torak guessed that she was thinking of her father.
From "Wolf Brother" by Michelle Paver
We thought this was going to be unwatchably boring.
From Los Angeles Times ● Oct. 1, 2026
They thought they had evidence of Juve general manager Luciano Moggi pressurising referee officials to favour certain clubs, including his own.
From BBC ● Oct. 1, 2026
What he soon realized was that a tree thought to be in decent shape a year ago, was actually completely hollow and “on the edge of complete failure.”
From MarketWatch ● Oct. 1, 2026
“That moment solidified who I thought I am, in terms of how I responded to that failure, how I responded to that adversity,” he said.
From Los Angeles Times ● Oct. 1, 2026
“Look, I thought I should have won, too, or at least placed. But everyone thinks they play the best. I could have lost fair and square,” I insist.
From "Split the Sky" by Marie Arnold
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
