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vigilant
01
cautious and attentive of one's surrounding, especially to detect and respond to potential dangers or problems
Grammatical Information
Composition
Simple
qualitative
Superlative
most vigilant
Comparative
more vigilant
gradable
Examples
The security guard remained vigilant throughout the night, monitoring the premises for any suspicious activity.
Lexical Tree
unvigilant
vigilantly
vigilant
vigil
