Characterized by or inclined to neglect, especially habitually.
Characterized by careless ease or informality; casual.
Law Guilty of negligence.
[Middle English, from Old French, from Latin neglegēns, neglegent-, present participle of neglegere, to neglect; see neglect.] neg'li·gent·ly adv.
Synonyms: These adjectives mean guilty of a lack of due care or concern: an accident caused by a negligent driver; was derelict in his civic responsibilities; lax in attending classes; neglectful of her own financial security; remiss of you not to pay your bill; slack in maintaining discipline.