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. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: diaspora Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language