Breadcrumb Home > Thesaurus > N Synonyms of nightcap Find synonyms for: Noun 1. nightcap, drink usage: an alcoholic drink taken at bedtime; often alcoholic 2. nightcap, cap usage: a cloth cap worn in bed 3. nightcap, game usage: the final game of a double header WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nightcap (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: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language