/ Thesaurus / U Synonyms of unjustifiably Find synonyms for: Adverb1. 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: polyglot Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language