Vigilant
WordNet

adjective


(1)   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"
WiktionaryText

Etymology


From or its source, , present participle of , from .

Adjective



  1. Watchful, especially for danger or disorder; alert; wary
    Be vigilant for signs of disease in your garden.
 
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