know
Proposed by a contributor, not yet supported by evidence.
Also seen as: knows · knew · knowed
Sense 1
To perceive the truth or factuality of; to be certain of; to be certain that.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
To be or become aware or cognizant.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Knowledge; the state of knowing. (Now confined to the fixed phrase in the know.)
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Used at the end of a sentence to draw attention to information one thinks the listener should keep in mind.
Particle
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “know” mean?
To perceive the truth or factuality of; to be certain of; to be certain that.
Is “know” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.