Breadcrumb Home > Thesaurus > U Synonyms of unaccountable Find synonyms for: Adjective 1. unaccountable, unexplainable, inexplicable (vs. explicable), incomprehensible usage: not to be accounted for or explained; "perceptible only as unaccountable influences that hinder progress"; "an unexplainable fear" 2. unaccountable, irresponsible (vs. responsible) usage: free from control or responsibility WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unaccountable (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: annular Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language