Breadcrumb Home > Thesaurus > N Synonyms of nonperformance Find synonyms for: Noun 1. negligence, carelessness, neglect, nonperformance, nonaccomplishment, nonachievement usage: failure to act with the prudence that a reasonable person would exercise under the same circumstances WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nonperformance (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: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language