familiarity Meaning, Definition & Usage

  1. noun personal knowledge or information about someone or something
    conversance; conversancy; acquaintance.
  2. noun usualness by virtue of being familiar or well known
  3. noun close or warm friendship
    closeness; intimacy.
    • the absence of fences created a mysterious intimacy in which no one knew privacy
  4. noun a casual manner
    casualness.
  5. noun an act of undue intimacy
    impropriety; liberty; indecorum.

WordNet

Fa*mil`iar"i*ty noun
Etymology
OE. familarite, F. familiaritéfr. L. faniliaritas. See Familiar.
Wordforms
plural Familiarities
Definitions
  1. The state of being familiar; intimate and frequent converse, or association; unconstrained intercourse; freedom from ceremony and constraint; intimacy; as, to live in remarkable familiarity.
  2. Anything said or done by one person to another unceremoniously and without constraint; esp., in the pl., such actions and words as propriety and courtesy do not warrant; liberties. Syn. -- Acquaintance; fellowship; affability; intimacy. See Acquaintance.

Webster 1913