'Negligent' definitions:

Definition of 'negligent'

From: WordNet
adjective
Characterized by neglect and undue lack of concern; "negligent parents"; "negligent of detail"; "negligent in his correspondence" [ant: diligent]

Definition of 'Negligent'

From: GCIDE
  • Negligent \Neg"li*gent\, a. [F. n['e]gligent, L. negligens,p. pr. of negligere. See Neglect.] Apt to neglect; customarily neglectful; characterized by negligence; careless; heedless; culpably careless; showing lack of attention; as, disposed in negligent order. "Be thou negligent of fame." --Swift. [1913 Webster]
  • He that thinks he can afford to be negligent is not far from being poor. --Rambler. [1913 Webster]
  • Syn: Careles; heedless; neglectful; regardless; thoughtless; indifferent; inattentive; remiss. [1913 Webster]

Synonyms of 'negligent'

From: Moby Thesaurus