Definition of know
be aware of through observation, inquiry, or information.
Governments know from experience that struggling companies typically can't be rescued with taxpayer money.
have developed a relationship with (someone) through meeting and spending time with them; be familiar or friendly with.
Those of you who know me realise that I have a great respect for our nurses who do a hell of a lot for very little.
have sexual intercourse with (someone).
The angel tells Mary (a woman who has known no man) that she will bear a son.
Example of know
'Is he coming?' 'I don't know.'
Andrea told me that all her girl friends know the site, which really flattered me.
Before my current job I was in the pub industry for 15 years, so I know what I am talking about.
Do you know any good bars around here?
do you know for certain when they'll be here?
do you know her name?
do you know, I never thought of that
does he know how to fix it?
he didn't know any Irish
he doesn't know how hard it is