Breadcrumb Home > Dictionary > Index U underclothes: Meaning and Definition of Find definitions for: un•der•clothes Pronunciation: (un'dur-klōz", -klōz"), [key] — n. (used with a pl. v.) clothes worn under outer clothes. underwear. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: underclothes (Thesaurus) underclassman undercoat 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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language