know

1 of 2

verb

knew ˈnü How to pronounce know (audio)
 also  ˈnyü
; known ˈnōn How to pronounce know (audio) ; knowing

transitive verb

1
a(1)
: to perceive directly : have direct cognition of
(2)
: to have understanding of
importance of knowing oneself
(3)
: to recognize the nature of : discern
b(1)
: to recognize as being the same as something previously known
(2)
: to be acquainted or familiar with
(3)
: to have experience of
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

intransitive verb

1
: to have knowledge
2
: to be or become cognizant
sometimes used interjectionally with you especially as a filler in informal speech
knower noun

know

2 of 2

noun

Phrases
know from
: to have knowledge of
didn't know from sibling rivalryPenny Marshall
in the know
: in possession of exclusive knowledge or information
broadly : well-informed

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. See More
Recent Examples on the Web
Verb
Instead, Marvel appears to be using this film to give itself a literal fresh start, allowing audiences to walk into this movie without necessarily having to know anything about the 50-plus MCU titles that will precede it. Adam B. Vary, Variety, 15 Feb. 2024 Don't count on a free ride, and know that even those may not include room and board. Sara Stanich, Forbes, 14 Feb. 2024 Alo Yoga Women's High Waist Cargo Short Alo (also known as Alo Yoga) is one of the top activewear labels on the market. Gabrielle Porcaro, Travel + Leisure, 14 Feb. 2024 But knowing the basics of how these models work is increasingly crucial for tech-savvy people today. IEEE Spectrum, 14 Feb. 2024 The only person left in Earhart's family who knew and remembered the glass-ceiling-breaking pilot is Kleppner's mom, who is now 92. Chris Eberhart, Fox News, 14 Feb. 2024 While knowing how to navigate arguments is important for strong relationships, Brown said long-term partners who want to keep the romantic spark alive must continue activating the brain’s reward system intentionally. Stephanie Brown, Verywell Health, 14 Feb. 2024 CoStar will occupy about 150,000 square feet of office space at its new property, which is known as Central Place Tower and is located across from the Rosslyn Metro station. Teo Armus, Washington Post, 14 Feb. 2024 Water from Japan’s Mount Haku, which is known to be soft, is frozen over 48 to 72 hours. Tori Latham, Robb Report, 1 Feb. 2024
Noun
Fox News Digital publishes a wide range of pieces all week long to keep you in the know about the latest health and wellness topics — from medical research to health care innovations to stories of personal medical triumph. Melissa Rudy, Fox News, 11 Feb. 2024 Let your mind wander, and reach out to people in the know who can point you in a direction that sparks your imagination and encourages you to use your skills to raise your standard of living. Eugenia Last, The Mercury News, 7 Feb. 2024 His initial clip — one of several that have been shared on TikTok in recent days from those apparently in the know — has been viewed north of 1.5 million times. Chris Gardner, The Hollywood Reporter, 7 Feb. 2024 For those in the know, Pineapple Casserole simply can't be beat. Southern Living Editors, Southern Living, 2 Feb. 2024 To stay in the know about the latest skincare research and ingredients, follow Baumann Cosmetic on YouTube or @BaumannCosmetic on Instagram or Facebook. Dr. Leslie Baumann, Miami Herald, 31 Jan. 2024 Anyone who sees Carroll or knows of his whereabouts is asked to call ASP Troop G Headquarters at 870- 777-4641 or a local law enforcement agency. Stevon Gamble, arkansasonline.com, 30 Jan. 2024 For those not in the know, Earle doesn't name Berrios, 28, or Culpo, 27, in the episode at all. Michelle Lee, Peoplemag, 28 Dec. 2023 Those are still shucked fresh onto pies citywide, then served salty and chewy to pizza lovers in the know. Amelia Nierenberg, New York Times, 11 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'know.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Verb and Noun

Middle English, from Old English cnāwan; akin to Old High German bichnāan to recognize, Latin gnoscere, noscere to come to know, Greek gignōskein

First Known Use

Verb

before the 12th century, in the meaning defined at transitive sense 1a(1)

Noun

1592, in the meaning defined above

Time Traveler
The first known use of know was before the 12th century

Dictionary Entries Near know

Cite this Entry

“Know.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know. Accessed 25 Feb. 2024.

Kids Definition

know

1 of 2 verb
knew ˈn(y)ü How to pronounce know (audio) ; known ˈnōn How to pronounce know (audio) ; knowing
1
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
knowable adjective
knower noun

know

2 of 2 noun
: the fact of knowing : knowledge

More from Merriam-Webster on know

Last Updated: - Updated example sentences
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