Synonyms & Antonyms of vigilant

paying close attention usually for the purpose of anticipating approaching danger or opportunity
  • the night watchman, who was usually vigilant, apparently dozed off and didn't notice the vandals sneaking in

Synonyms for vigilant

Words Related to vigilant

Phrases Synonymous with vigilant

Near Antonyms for vigilant

Antonyms for vigilant

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Frequently Asked Questions About vigilant

How does the adjective vigilant contrast with its synonyms?

Some common synonyms of vigilant are alert, watchful, and wide-awake. While all these words mean "being on the lookout especially for danger or opportunity," vigilant suggests intense, unremitting, wary watchfulness.

eternally vigilant in the safeguarding of democracy

Where would alert be a reasonable alternative to vigilant?

The words alert and vigilant can be used in similar contexts, but alert stresses readiness or promptness in meeting danger or in seizing opportunity.

alert traders anticipated the stock market's slide

When is watchful a more appropriate choice than vigilant?

The meanings of watchful and vigilant largely overlap; however, watchful is the least explicit term.

the watchful eye of the department supervisor

When is it sensible to use wide-awake instead of vigilant?

Although the words wide-awake and vigilant have much in common, wide-awake applies to watchfulness for opportunities and developments more often than dangers.

wide-awake companies latched onto the new technology

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Time Traveler for vigilant

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The first known use of vigilant was in the 15th century

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Cite this Entry

“Vigilant.” Thesaurus, Merriam-Webster, Accessed 23 Oct. 2021.

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More from Merriam-Webster on vigilant

Nglish: Translation of vigilant for Spanish Speakers

Britannica English: Translation of vigilant for Arabic Speakers


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