Select the most appropriate ANTONYM of the given word.
VIGILANT

Correct option is B

The correct antonym of the given word is (b) inattentive.
Vigilant: Keeping careful watch for possible danger or difficulties. (सतर्क, चौकस)
Example:
Security personnel remained vigilant throughout the night.
Inattentive: Not paying attention; negligent. (अन्यमनस्क, असावधान)
Example:
The driver was inattentive and caused an accident.
Synonyms: alert, watchful, cautious, wary.
Antonyms: careless, inattentive, negligent, heedless.
Meanings of other options:
· (a) Wary: Cautious about possible dangers. (सावधान)
· (c) Cautious: Careful to avoid potential problems. (सतर्क)
· (d) Careful: Taking care to avoid harm. (सावधानीपूर्वक)