/ Thesaurus / D Synonyms of debile Find synonyms for: Adjective1. decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly, frail (vs. robust)usage: lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language