neglectful

Definitions

Characterized by or showing a lack of proper care or attention.

Failing to fulfill one's responsibilities or duties.

Examples

The landlord was neglectful in his duties, leaving the building in a state of disrepair.

She felt guilty for being neglectful of her health during the busy exam season.

Synonyms

careless remiss negligent inattentive heedless lax slack

Antonyms

attentive careful diligent mindful conscientious vigilant scrupulous