Breadcrumb Home > Thesaurus > C Synonyms of creatine Find synonyms for: Noun 1. creatine, creatin, amino acid, aminoalkanoic acid usage: an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of creatine (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language