Breadcrumb Home > Thesaurus > U Synonyms of unfamiliar Find synonyms for: Adjective 1. unfamiliar (vs. familiar), strange, unknown, unacquainted(predicate), unacquainted with(predicate), unfamiliar with(predicate), foreign#2, strange, unknown usage: not known or well known; "a name unfamiliar to most"; "be alert at night especially in unfamiliar surroundings" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unfamiliar (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language