1
2
a
: to be aware of the truth or factuality of : be convinced or certain of
b
: to have a practical understanding of
knows how to write
3
archaic
: to have sexual intercourse with
1
: to have knowledge
2
: to be or become cognizant
—sometimes used interjectionally with you especially as a filler in informal speech
see also:
Examples of know in a Sentence
Verb
He knows a lot about the history of the town.
Do you know the answer?
I don't know her name.
Do you know what time it is?
I don't know the words to that song.
They knew a good deal about the problem.
She knows the rules of the game.
If you want the answer, ask someone who knows.
I don't know much about art, but I know what I like.
She knows that many people will not believe her.
Recent Examples on the Web
Helen Regan, CNN Money, 3 June 2026
Babies of core characters, like Adam Chandler’s JR and Tad Martin’s Jamie, were aged up for narrative purposes, a narrative function playfully known by soap fans as Soap Opera Rapid Aging Syndrome or SORAS.
—Literary Hub, 3 June 2026
Matt Ortile, Condé Nast Traveler, 3 June 2026
We, who watched MJ's transmogrification in real time, know of the damage Michael did to his own body trying to be the best.
—Rodney Carmichael, NPR, 3 June 2026
See All Example Sentences for know
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Verb
Economic forum The attacks came as the St Petersburg International Economic Forum, or SPIEF, a major business event known as Russian President Vladimir Putin’s version of Davos, gets underway in the city on Wednesday.
—Helen Regan, CNN Money, 3 June 2026
Babies of core characters, like Adam Chandler’s JR and Tad Martin’s Jamie, were aged up for narrative purposes, a narrative function playfully known by soap fans as Soap Opera Rapid Aging Syndrome or SORAS.
—Literary Hub, 3 June 2026
Noun
Quite literally, Hôtel Martinez - The Unbound Collection by Hyatt (simply Hôtel Martinez to those in the know) sits more or less plum in the middle of one of France’s most glamorous streets.
—Matt Ortile, Condé Nast Traveler, 3 June 2026
We, who watched MJ's transmogrification in real time, know of the damage Michael did to his own body trying to be the best.
—Rodney Carmichael, NPR, 3 June 2026
See All Example Sentences for know
Cite this Entry
“Know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know. Accessed 5 Jun. 2026.
Copy CitationKids Definition
know
1 of 2 verb1
a
: to have understanding of
know yourself
b
: to recognize the nature of
knew them to be honest
2
a
: to recognize the identity of
knew me by my walk
b
: to be acquainted or familiar with
knows the city very well
3
a
: to be aware of the truth of
know that the earth is round
b
: to have a practical understanding of
knows how to write
4
: to have information or knowledge
ask someone who knows
5
: to be or become aware
knew about the problem
know
2 of 2 noun
: the fact of knowing : knowledge
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