negligent
adjectiveGiven to or characterized by neglect, especially habitual neglect.
adjectiveActing with or done through negligence.
Characterized by negligence or by neglectful habits; neglectful; careless; heedless; apt or accustomed to omit what ought to be done, or to do it in a careless or heedless manner: followed by of when the object of the negligence is specified: as, a negligent man; a man negligent of his duties.
Indicative of easy indifference or of disregard of conventionalities.
Synonyms Negligent, Neglectful, Remiss, Heedless, Thoughtless. inattentive, regardless, indifferent, slack. Of the first five words, remiss is the weakest; it especially applies to failure to attend to what is considered duty. Negligent is generally applied to inattention to things, neglectful to inattention to persons. Neglectful, by derivation, is stronger than negligent, but the difference is really small. Heedless, thoughtless, etc., indicate lack of heed, care, attention, thought, etc., where they are needed or due. All these words may apply to a particular occasion of failure, or indicate a habit or a trait of character; as, he is very heedless. See
Apt to neglect; customarily neglectful; characterized by negligence; careless; heedless; culpably careless; showing lack of attention.
adjectivecharacterized by neglect and undue lack of concern