Word.ws English Dictionary

How to use know in a sentence

40 example sentences · verb, noun, particle

Know means to perceive the truth or factuality of; to be certain of; to be certain that. Example: “I know that I’m right and you’re wrong.”

Examples of know by meaning

verbTo perceive the truth or factuality of; to be certain of; to be certain that.

  • I know that I’m right and you’re wrong.
  • He knew something terrible was going to happen.
  • I have the most fun when I'm writing questioning things that people do not question- the assumptions that everybody knows are true.1985 April 17, Frank Herbert, 15:46 from the start, in Frank Herbert speaking at UCLA 4/17/1985, UCLACommStudies, archived from the...

verbTo be or become aware or cognizant.

  • Did you know Michelle and Jack were getting divorced? ― Yes, I knew.
  • Malware's sometimes been known to sit dormant for a long time.

verbTo be aware of; to be cognizant of.

  • She knows where I live.
  • I knew he was upset, but I didn't understand why.
  • It twisted and turned, and, the first thing I knew, made a sudden bend around a bunch of bayberry scrub and opened out into a big clear space like a lawn.1913, Joseph C[rosby] Lincoln, chapter I, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC, page 18

verbTo be acquainted or familiar with; to have encountered.

  • I know your mother, but I've never met your father.
  • Borja, do you know Pilar? - Sure, we've actually met before.
  • I got to know her during the pandemic, so we've known each other for years now.

verbTo have sexual relations with. This meaning normally specified in modern English as e.g. to ‘know someone in the...

  • And Miss Wilmarth existed because two people once had loved and known.1939, Dorothy Parker, “Horsie,”, in Here lies: The collected stories of Dorothy Parker

verbTo experience.

  • Their relationship knew ups and downs.

verbTo understand or have a grasp of through experience or study.

  • Let me do it. I know how it works.
  • She knows how to swim.
  • His mother tongue is Italian, but he also knows French and English.

verbTo be able to distinguish, to discern, particularly by contrast or comparison; to recognize the nature of.

  • to know a person's face or figure
  • to know right from wrong
  • I wouldn't know one from the other.

More sentences with know

  • If you want to know the meaning of a word, look it up in the dictionary.From the entry dictionary
  • I don’t know all the theoretical abracadabra about how it works, I’m only its pilot.From the entry abracadabra
  • Before we knew it, the forest was on us, and the air grew colder and damper.From the entry on
  • No one knows how many galaxies there are in the universe.From the entry the
  • I don’t know how many books are in the library, but they must number in the thousands.From the entry number
  • How were they to know the whole exercise was a ruse?From the entry be
  • It was very singular; I don't know why he did it.From the entry singular
  • I don't know what it is, but this music really sends me.From the entry send
  • I don't know how much longer we can last without reinforcements.From the entry last
  • Ask him that he tell her —No need to, she'll already know by know.From the entry ask
  • She gave me a wink afterwards, so I knew she was joking.From the entry give
  • If more drivers knew how to zipper, the accident would not have disrupted traffic so much.From the entry zipper
  • I was very anxious to know my score after I wrote the test.From the entry write
  • Sorry, officer, I wouldn't know anything about the crime, since I was nowhere near the scene.From the entry would
  • He might get cancer, or be hit by a bus, or God knows what.From the entry or
  • Those who think they know it all are annoying to those of us who do.From the entry all
  • He knows what he wants and what to do to get it.From the entry what
  • What I'll do is, I'll phone you to let you know.From the entry what
  • Listen, brother, I don't know what you want, but I’m not interested.From the entry brother
  • Most Americans don't know 'WC' and many Brits mock 'bathroom' but almost everyone understands 'toilet' or 'lavatory'.From the entry bathroom
  • Can you lend me fifty dollars? You know I'm good for it.From the entry good

Meaning of know

  1. verb To perceive the truth or factuality of; to be certain of; to be certain that.
  2. verb To be or become aware or cognizant.
  3. verb To be aware of; to be cognizant of.

Full definition of know

Questions about know in a sentence

How do you use know in a sentence?
Know is used as a verb, noun and particle. For example: “I know that I’m right and you’re wrong.”
What is a short sentence with know?
“She knows how to swim.”
What does know mean?
Know means to perceive the truth or factuality of; to be certain of; to be certain that.

Source and license

Adapted from Wiktionary: know (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

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Cite this page: “How to use know in a sentence.” Word.ws, https://word.ws/sentences/know. Based on Wiktionary, CC BY-SA 4.0.