Select the synonym of Vigilant.
Show answer & explanation
Correct answer: C
Explanation
Vigilant means keeping careful watch for possible danger or difficulties.
Alert shares this meaning, describing someone who is watchful and wide awake.
The synonym for the word Vigilant is Alert.
The other options—Inattentive, Sleepy, and Careless—are antonyms, as they describe a lack of focus or awareness.