say it: VIJ-uh-luhnt
vigilant is an adjective meaning "carefully observant or attentive; on the lookout for possible danger". It carries one recorded sense.
carefully observant or attentive; on the lookout for possible danger
“a policy of open-eyed awareness”
“the vigilant eye of the town watch”
“there was a watchful dignity in the room”
“a watchful parent with a toddler in tow”
Definitions, synonyms and semantic relations for vigilant come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.