Breadcrumb Home > Thesaurus > A Synonyms of asthenic Find synonyms for: Adjective 1. adynamic, asthenic, debilitated, enervated, weak (vs. strong) usage: lacking strength or vigor 2. asthenic, ectomorphic (vs. endomorphic) (vs. mesomorphic) usage: having a slender physique WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of asthenic (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: hubris Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language