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GRE vocabulary

vigilant

adjectiveCommon GRE wordMore V words

keenly watchful for danger or difficulty

In a sentence

Vigilant in a sentence

Here is an example sentence showing vigilant in a sentence.

Border guards remained vigilant throughout the long night shift.

Synonyms
watchfulalertattentivewary
Antonyms
carelessnegligent
Common questions

Questions about “vigilant

Vigilant (adjective) means keenly watchful for danger or difficulty
Here is vigilant used in an example sentence: "Border guards remained vigilant throughout the long night shift."
Common synonyms for vigilant include watchful, alert, attentive, wary.
Antonyms of vigilant include careless, negligent.
Vigilant is a GRE-level vocabulary word worth knowing for the Verbal section.

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Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.