Breadcrumb Home > Thesaurus > I Synonyms of indefeasible Find synonyms for: Adjective 1. indefeasible (vs. defeasible), unforfeitable, inalienable usage: not liable to being annulled or voided or undone; "an indefeasible right to freedom"; "an indefeasible claim to the title" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of indefeasible (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: crepuscular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language