Definition of Familiar

Adjective: familiar fu'mil-yur [N. Amer], fu'mi-lee-u(r) [Brit]

Well known or easily recognized
"a familiar figure"; "familiar songs"; "familiar guests"
Within normal everyday experience; common and ordinary; not strange
"familiar ordinary objects found in every home"; "a familiar everyday scene"; "a familiar excuse"; "a day like any other filled with familiar duties and experiences"
(usually followed by 'with') well informed about or knowing thoroughly
"familiar with the complex machinery"; "he was familiar with those roads";
- conversant
Having mutual interests or affections; of established friendship
"on familiar terms";
- intimate

Noun: familiar fu'mil-yur [N. Amer], fu'mi-lee-u(r) [Brit]

A person attached to the household of a high official (as a pope or bishop) who renders service in return for support
A friend who is frequently in the company of another
- companion, comrade, fellow, associate, yokefellow [N. Amer]
A spirit (usually in animal form) that acts as an assistant to a witch or wizard
- familiar spirit