- 1to have information in your mind as a result of experience or study
- 2to be certain that something is true or exists
- 3to be familiar with someone or something
Using know: Examples
Take a moment to familiarize yourself with how "know" can be used in various situations through the following examples!
I know how to play the guitar.
I know that the Earth revolves around the Sun.
Do you know John?
I don't know what to do.
know Synonyms and Antonyms
Idioms Using know
used to say that anything can happen and it is impossible to be sure about the future
You never know, maybe you'll win the lottery someday.
He knows the ropes of this job better than anyone else.
to understand where one's interests lie and act accordingly
He knows which side his bread is buttered on and always agrees with the boss.
Phrases with know
She knows all the lyrics to that song by heart.
I know for a fact that he didn't steal the money.
She knows her way around the city like a local.
Origins of know
from Old English 'cnāwan'
Summary: know in Brief
The verb 'know' [noʊ] refers to having information in one's mind from experience or study, being certain of something, or being familiar with someone or something. It is often used in phrases like 'know by heart,' meaning to have memorized something completely, and idioms like 'you never know,' implying uncertainty about the future. 'Know' has formal synonyms like 'be acquainted with' and informal ones like 'figure out.'