/ Thesaurus / D Synonyms of defendable Find synonyms for: Adjective1. defendable, defensible, invulnerable (vs. vulnerable)usage: capable of being defendedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language