neglectful Definition

neglect
verb neglected, neglecting

1. Not to give proper care and attention to someone or something.

Thesaurus: forget, ignore, overlook, disregard, leave alone; slight, scorn, contemn, disdain, spurn, affront, depreciate, undervalue, gloss over, rebuff; Antonym: consider, appreciate, value.
2. To leave (duties, etc) undone.
3. To fail or omit (to do something).

noun

1. Lack of proper care.

Thesaurus: disregard, slight, thoughtlessness, disrespect, carelessness, scorn, oversight, heedlessness, inattention, dereliction, disdain, forgetfulness, laxity, negligence, slovenliness, unconcern.
2. A state of disuse or decay.

Derivative: neglectful
adj

Inattentive or negligent; undutiful or unconscientious.
Thesaurus: negligent, careless, lax, remiss, lazy, uncaring, inconsiderate, indifferent; Antonym: attentive, careful.

Derivative: neglectfully
adverb

Derivative: neglectfulness
noun

Etymology: 16c: from Latin negligere to neglect.