with eyes peeled

cautious circumspect reserved restrained

calculating

attentive cagey canny careful chary discreet gingerly leery noncommittal on the lookout overcareful overcautious prudent reticent safe vigilant wary watchful

bold careless extroverted incautious outgoing rash uncareful

unguarded unsuspicious unwatchful

apprehensive careful cautious cognizant conscious conversant knowledgeable observant respectful solicitous vigilant wary watchful

alert alive to au courant be up on cagey chary conscientious heedful in the know know all the answers know ins and outs knowing observative observing on one's toes on the ball on the job on to plugged in regardful sensible thoughtful tuned-in

careless heedless ignorant inattentive incautious indifferent indiscreet negligent quiet rash thoughtless unafraid unaware uncareful uninformed unmindful unobservant unworried

absent-minded

anxious attentive aware cautious circumspect keen observant wary

acute agog alert guarded looking for looking to on alert on guard on the ball on the job on the lookout on the qui vive on toes open-eyed sharp sleepless unsleeping waiting on wakeful wide-awake with weather eye open

careless heedless ignorant inattentive incautious indifferent indiscreet rash thoughtless unaware uncareful unobservant

impulsive negligent

attentive careful cautious observant suspicious vigilant wary

alert

all ears chary circumspect glued guarded heedful hooked keen not missing a trick on guard on one's toes on the ball on the job on the qui vive on the watch open-eyed prepared ready see after see to unsleeping wakeful wide-awake

careless heedless inattentive incautious indiscreet rash thoughtless uncareful unobservant

negligent