Learner's definition of FAMILIAR
[more familiar; most familiar]
frequently seen, heard, or experienced
a familiar joke/sight
The essay covers familiar ground/territory.
It's a sad but (all too) familiar story.
She has become a familiar figure in the world of politics.
— often + to
— used to say that something is easy for you to recognize because you have seen, heard, or experienced it many times in the past
possibly known but not clearly remembered
appropriate for use with people you know well
— often + with
having some knowledge about (something)