■ adjective
1》 well known from long or close association.
↘common; usual.
2》 ( ~ with ) having a good knowledge of.
3》 in close friendship.
↘inappropriately intimate or informal.
■ noun
1》 (also ~ spirit ) a demon supposedly attending and obeying a witch.
2》 a close friend or associate.
3》 (in the Roman Catholic Church) a person rendering certain services in a pope's or bishop's household.
Derivatives
~ity noun ( plural ~ities ).
~ly adverb
Origin
ME: from OFr. familier , from L. ~is , from familia 'household servants, family'.