Breadcrumb Home > Thesaurus > N Synonyms of nonfeasance Find synonyms for: Noun 1. nonfeasance, dereliction usage: a failure to act when under an obligation to do so; a refusal (without sufficient excuse) to do that which it is your legal duty to do WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nonfeasance (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