know

/nəʊ/

Proposed by a contributor, not yet supported by evidence.

Also seen as: knows · knew · knowed

Sense 1

Meaning · English

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

Nghĩa · Tiếng Việt

Nhận thức được sự thật hoặc chắc chắn về

Machine-translated — suggest a fix

Verb

Examples

Question things. I have the most fun when I'm writing questioning things that people do not question- the assumptions that everybody knows are true.

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

Meaning · English

To be or become aware or cognizant.

Nghĩa · Tiếng Việt

Có ý thức hoặc nhận biết

Machine-translated — suggest a fix

Verb

Examples

Did you know Michelle and Jack were getting divorced? ― Yes, I knew.

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

Meaning · English

Knowledge; the state of knowing. (Now confined to the fixed phrase in the know.)

Nghĩa · Tiếng Việt

Kiến thức; trạng thái biết

Machine-translated — suggest a fix

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 4

Meaning · English

Used at the end of a sentence to draw attention to information one thinks the listener should keep in mind.

Nghĩa · Tiếng Việt

Được sử dụng để thu hút sự chú ý

Machine-translated — suggest a fix

Particle

Examples

Make sure you water the plants, know…

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.