Breadcrumb Home > Thesaurus > I Synonyms of infrequent Find synonyms for: Adjective 1. infrequent (vs. frequent), occasional(prenominal), rare, sporadic usage: not frequent; not occurring regularly or at short intervals; "infrequent outbursts of temper" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of infrequent (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: jactation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language