familiarity noun

1 knowing sb/sth well

ADJ. detailed, greater, intimate | basic

VERB + FAMILIARITY have I had only a basic familiarity with computers. | acquire, gain Over the years, he gained greater familiarity with the culture and way of life in the country.

PREP. ~ with her detailed familiarity with her subject

PHRASES a lack of familiarity

2 friendly informal manner

ADJ. easy He treated her with the easy familiarity of an equal.