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
Ryan Lattanzio, IndieWire, 21 Apr. 2026
Jaafar Jackson does bear an uncanny resemblance to his late uncle, and clearly knows how to replicate his signature moves, his physical fluidity, his beaming smile reserved for fans, animals, and hospital residents.
—David Fear, Rolling Stone, 21 Apr. 2026
Rachel Fletcher, Architectural Digest, 21 Apr. 2026
The Fashion Nova baddie in horizontal sprawl off the Vertigo, for example, is an emblem for those in the know.
—Julissa James, Los Angeles Times, 17 Apr. 2026
See All Example Sentences for know
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Verb
For the Sake of the Children is an audio series following Justin Lucas’ journey in rallying his small, tightknit town of Moriah to stand up to their ancient foreboding gods – alien beings known as the Architects that are thought to be humanity’s creators.
—Ryan Lattanzio, IndieWire, 21 Apr. 2026
Jaafar Jackson does bear an uncanny resemblance to his late uncle, and clearly knows how to replicate his signature moves, his physical fluidity, his beaming smile reserved for fans, animals, and hospital residents.
—David Fear, Rolling Stone, 21 Apr. 2026
Noun
Villa Catrine was built in 2024 and its decor aligns with the easy, breezy vibes of the island where stylish Athenians and in-the-know travelers spend their holidays.
—Rachel Fletcher, Architectural Digest, 21 Apr. 2026
The Fashion Nova baddie in horizontal sprawl off the Vertigo, for example, is an emblem for those in the know.
—Julissa James, Los Angeles Times, 17 Apr. 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 23 Apr. 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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