[ uhn-fuh-mil-yer ]
/ ˌʌn fəˈmɪl yər /


not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
different; unaccustomed; unusual; strange: an unfamiliar treat.

Origin of unfamiliar

First recorded in 1585–95; un-1 + familiar
Related formsun·fa·mil·i·ar·i·ty [uhn-fuh-mil-ee-ar-i-tee] /ˌʌn fəˌmɪl iˈær ɪ ti/, nounun·fa·mil·iar·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unfamiliarity

British Dictionary definitions for unfamiliarity


/ (ˌʌnfəˈmɪljə) /


not known or experienced; strange
(postpositive foll by with) not familiar
Derived Formsunfamiliarity (ˌʌnfəˌmɪlɪˈærɪtɪ), noununfamiliarly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unfamiliarity



1590s, from un- (1) "not" + familiar. Related: Unfamiliarly.

Online Etymology Dictionary, © 2010 Douglas Harper