attentive

Synonyms: alert all ears awake aware conscientious enrapt enthralled fascinated glued hanging on every word heedful hooked immersed intent interested listening mindful observant on one’s toes on the ball on the job on the lookout on the qui vive preoccupied regardful studious vigilant watchful

Antonyms: disregarding heedless ignorant inattentive inconsiderate neglectful neglecting

Synonyms: accommodating civil courteous devoted gallant gracious kind obliging polite respectful solicitous thoughtful

Antonyms: heedless ignorant inconsiderate neglectful unattentive