Breadcrumb Home > Thesaurus > N Synonyms of negligent Find synonyms for: Adjective 1. negligent (vs. diligent), derelict, delinquent, neglectful, remiss, lax, slack, hit-and-run(prenominal), inattentive, neglectful, careless, inattentive usage: characterized by neglect and undue lack of concern; "negligent parents"; "negligent of detail"; "negligent in his correspondence" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of negligent (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: antecedent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language