RichThesaurus
Argus-eyed
Argus-eyed
synonyms
beady-eyed
on the alert
observant
vigilant
alert
on the lookout
keen-eyed
eagle-eyed
hawk-eyed
gimlet-eyed
on the qui vive
on the ball
watchful
sharp-eyed
regardful
leery
not missing a trick
with eyes like a hawk
prepared
circumspect
heedful
attentive
lynx-eyed
keeping one's eyes peeled
keeping a weather eye on things
wary
cautious
on one's toes
with one's eyes open
on guard
careful
ready
chary
mindful
with one's eyes opened
sharp-sighted
wideawake
with one's eyes/open/peeled/skinned
on one's guard
prudent
with one's eyes skinned
awake
keeping one's eyes skinned
cagey
with one's eyes peeled
unsleeping
perceptive
paying attention
concentrating
all ears
more synonyms
Argus-eyed
antonyms
inattentive
unobservant
negligent