Choose the synonym of ‘vigilant’.

Correct option is A

The correct synonym of the given word is (a) Alert.

• Given word – Vigilant:
Vigilant means watchful, attentive, and careful to notice possible danger or problems.
(Hindi meaning: सतर्क / चौकन्ना)
Example: The guard remained vigilant throughout the night.

• Correct answer word – Alert:
Alert means quick to notice any unusual or dangerous situation and ready to act. It is the nearest synonym of vigilant.
(Hindi meaning: सतर्क / सावधान)
Example: The soldiers stayed alert during the operation.

• Synonyms of Vigilant: alert, watchful, attentive, cautious.
• Antonyms of Vigilant: careless, negligent, inattentive, passive.

Meanings of all the other given options:
• Passive – Not active or energetic (निष्क्रिय)
• Distracted – Unable to concentrate because attention is divided (विचलित)
• Negligent – Careless in duty or responsibility (लापरवाह)

So the correct answer is (a)