- Known to one.
"there’s a familiar face;"
- Inappropriately intimate or friendly.
- Intimate or friendly.
"we are not on familiar terms;"
"I'm quite familiar with this system;"
- Of or pertaining to a family; familial.
- (obsolete) A close friend.
- (obsolete) A member of one's family or household.
- An attendant spirit, often in animal form.
"The witch’s familiar was a black cat."