Vigilant
mediumVIJ-ih-lunt
adjective
Definition
Keeping careful watch for possible danger or difficulties
Examples
“Security guards must remain vigilant at all times.”
“Parents should be vigilant about their children's online activities.”
Synonyms
Antonyms
Categories
GRE Tip
Vigilant is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "watchful" or "alert" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "negligent".
Related GRE Words
prudent
Acting with or showing care and thought for the future
discreet
Careful and prudent in speech or action; not drawing attention
ephemeral
Lasting for a very short time; transitory
abate
To reduce in amount, degree, or intensity
benevolent
Well-meaning and kindly; generous and charitable
admonish
To warn or reprimand someone firmly
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