RichThesaurus
on one’s toes
on one’s toes
synonyms
on the ball
vigilant
observant
watchful
on the job
all ears
heedful
attentive
on guard
ready
bright
sharp
intelligent
careful
quick
wide-awake
on the lookout
alert
regardful
heads up
spirited
active
mindful
perceptive
cagey
on the qui vive
wary
not missing a trick
clever
conscientious
wise
psyched up
wired
with it
hooked
glued
circumspect
lively
keen
chary
interested
cautious
good hands
observative
fast on the draw
with eyes peeled
solicitous
studious
on the stick
sensible
more synonyms
on one’s toes
antonyms
inattentive
unaware
unobservant
careless
heedless
unwatchful
weary
thoughtless
unmindful
sluggish
asleep
inconsiderate
disregarding
neglecting
neglectful
indifferent
drowsy
ignorant
absent-minded
negligent
lethargic