Synonym of ALERT

A. Watchful

B. Intelligent

C. Observant

D. Energetic

Answer: Option A

Solution(By Examveda Team)

Watchful : watching someone or something closely; alert and vigilant.
Intelligent : having or showing intelligence, especially of a high level.
Observant : quick to notice or perceive things.
Energetic : showing or involving great activity or vitality.
Alert : the state of being watchful for possible danger.

Synonym of Alert is Watchful