/ Thesaurus / I Synonyms of inexcusably Find synonyms for: Adverb1. inexcusably, unpardonably, unforgivablyusage: in an unpardonable manner or to an unpardonable degree; "he was inexcusably cruel to his wife"2. unjustifiably, inexcusablyusage: without any excuse; "he is unjustifiably harsh on her"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language