Breadcrumb Home > Dictionary > Index R rotter: Meaning and Definition of Find definitions for: rot•ter Pronunciation: (rot'ur), [key] — n. Chiefly Brit. Slang. a thoroughly bad, worthless, or objectionable person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rotter (Thesaurus) rottenstone Rotterdam 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: pentimento Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language