A. Careful
B. Reckless
C. Forgetful
D. Indifferent
Answer: Careful
A. Careful
B. Reckless
C. Forgetful
D. Indifferent
Answer: Careful
Additional Information: 'Careful' is the antonym of 'negligent', meaning attentive and responsible.
Subjects: Synonyms and Antonyms, Vocabulary