vigilant, adj.
carefully observant or attentive; on the lookout for possible danger
<adj.all> freq. cnt.: 5 freq. cnt.: 5
argus-eyed open-eyed vigilant wakeful
sample sentences
"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"
lexical pointers
derivationally related form
semantic pointers
similar to