/ Thesaurus / I Synonyms of introuvable Find synonyms for: Adjective1. introuvable, absent (vs. present)usage: impossible to find; "the book is practically introuvable"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language