well known to you; often seen or heard and therefore easy to recognize

an area with which I had been familiar since childhood

You will soon become familiar with the different activities.

Are you familiar with the computer software they use?

She would have been familiar with the work of this 18th-century German philosopher.

Ishii is clearly intimately familiar with his script and characters.

very informal, sometimes in a way that is unpleasant

You seem to be on very familiar terms with your tutor.

After a few drinks her boss started getting too familiar for her liking.

He was being overly familiar with Gloria.

LEARNit Dictionary