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
Phrases
know from
: to have knowledge of
didn't know from sibling rivalry—
Penny Marshall
Penny Marshall
: in possession of exclusive knowledge or information
broadly
: well-informed
Synonyms
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
Kevin Lynn, Newsweek, 8 Jan. 2025
Now that the album and visuals are finally out, Meléndez-Badillo says he was moved to tears by its message — delivered through Puerto Rican folk album, also known as música jíbara.
—Andrea Flores, Los Angeles Times, 8 Jan. 2025
Karen Garcia, Los Angeles Times, 8 Jan. 2025
In the meantime, check out The Hill’s Morning Report and Evening Report to stay in the know!
—Cate Martel, The Hill, 7 Jan. 2025
See all Example Sentences for know 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Verb
More News: Rhea Ripley Wins WWE Women's World Championship on Raw Netflix Debut
Triple H addressed these criticisms at the Netflix Raw post-show press conference, basically saying that the world has known for a long time that WWE is scripted.
—Kevin Lynn, Newsweek, 8 Jan. 2025
Now that the album and visuals are finally out, Meléndez-Badillo says he was moved to tears by its message — delivered through Puerto Rican folk album, also known as música jíbara.
—Andrea Flores, Los Angeles Times, 8 Jan. 2025
Noun
Stay informed with alerts Stay in the know about warnings and alerts by signing up with your local emergency mass notification system.
—Karen Garcia, Los Angeles Times, 8 Jan. 2025
In the meantime, check out The Hill’s Morning Report and Evening Report to stay in the know!
—Cate Martel, The Hill, 7 Jan. 2025
See all Example Sentences for know
Dictionary Entries Near know
Cite this Entry
“Know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know. Accessed 18 Jan. 2025.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share