attentive

Definitions

Paying close attention to something.

Assiduous in one's efforts to please or show consideration for others.

Examples

The attentive waiter noticed that our water glasses were empty and refilled them immediately.

She was an attentive student who always took detailed notes during every lecture.

Synonyms

alert observant vigilant heedful mindful focused concentrated

Antonyms

inattentive distracted negligent absent-minded heedless careless indifferent