English adjective: vigilant | |||
1. | vigilant carefully observant or attentive; on the lookout for possible danger | ||
Samples | 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. | ||
Synonyms | argus-eyed, open-eyed, wakeful | ||
Similar | alert, watchful | ||
Antonyms | unalert, unvigilant, unwatchful | ||