| Date: | 1200-1300 |
| Language: | Old French |
| Origin: | familier, from Latin familia; FAMILY |
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fa‧mil‧i‧ar1 S2 W2

1 someone or something that is familiar is well-known to you and easy to recognize :
a familiar tune
a familiar tune2 to have a good knowledge or understanding of something :
Are you familiar with this type of machine?
I'm not familiar with her poetry.
be familiar with something
Are you familiar with this type of machine?
I'm not familiar with her poetry.3 to know someone well and be able to talk to them in an informal way :
He's on familiar terms with all the teachers.
be on familiar terms with somebody
He's on familiar terms with all the teachers.4 talking to someone as if you know them well although you do not
5 informal and friendly in speech, writing etc :
The novel is written in an easy, familiar style.
The novel is written in an easy, familiar style.