- thorough knowledge or mastery of a thing, subject, etc.
- the state of being familiar; friendly relationship; close acquaintance; intimacy.
- an absence of ceremony and formality; informality.
- freedom of behavior justified only by the closest relationship; undue intimacy.
- Often familiarities. an instance of such freedom, as in action or speech.
- a sexual liberty or impropriety.
Origin of familiarity
SynonymsSee more synonyms for familiarity on Thesaurus.com
Examples from the Web for over-familiarity
To do that I must keep up my position, and over-familiarity would be the destruction of it.'Robbery Under Arms
Thomas Alexander Browne, AKA Rolf Boldrewood
Never presume to cultivate an over-familiarity of manner, which is always offensive; rather be reserved—even to your best friends.Mrs. Hale's Receipts for the Million
Sarah Josepha Hale
- reasonable knowledge or acquaintance, as with a subject or place
- close acquaintanceship or intimacy
- undue intimacy
- (sometimes plural) an instance of unwarranted intimacy
Word Origin and History for over-familiarity
c.1200, from Old French familiarite and directly from Latin familiaritatem (nominative familiaritas) "intimacy, friendship," from familiaris "friendly, intimate" (see familiar). Meaning "undue intimacy" is from late 14c. That of "close acquaintance" is from c.1600.