Breadcrumb Home > Thesaurus > W Synonyms of weirdo Find synonyms for: Noun 1. creep, weirdo, weirdie, weirdy, spook, unpleasant person, disagreeable person usage: someone unpleasantly strange or eccentric 2. crazy, loony, looney, nutcase, weirdo, lunatic, madman, maniac usage: someone deranged and possibly dangerous WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of weirdo (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: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language