on the lookout

active bright careful intelligent observant perceptive sharp vigilant wary watchful wired wise

hip jazzed quick ready spirited

all ears cagey circumspect clever fast on the draw good hands heads up heedful on guard on one's toes on the ball on the job on the qui vive psyched-up switched on wide-awake with it

careless dull foolish ignorant inattentive incautious indifferent indiscreet lazy negligent stupid thoughtless unaware unintelligent unobservant

slow uneducated

asleep drowsy lethargic sluggish weary

aware conscientious interested observant vigilant watchful

heedful

alert all ears awake enrapt enthralled fascinated glued hanging on every word hooked immersed intent listening mindful on one's toes on the ball on the job on the qui vive preoccupied regardful studious

careless inattentive negligent unaware

disregarding heedless ignorant inconsiderate neglectful neglecting unattentive

circumspect discreet judicious leery prudent tentative vigilant wary watchful

alert safe

all ears cagey calculating chary considerate forethoughtful gingerly hedging one's bets heedful keeping on one's toes playing it cool playing safe politic provident pussyfoot shrewd taking it easy taking it slow thinking twice walking on eggs watching one's step watching out with one's eyes peeled

careless certain foolish inattentive incautious indiscreet negligent rash reckless sure thoughtless uncareful unwise

hasty heedless imprudent unguarded unobservant

cautious circumspect reserved restrained

calculating

attentive cagey canny careful chary discreet gingerly leery noncommittal overcareful overcautious prudent reticent safe vigilant wary watchful with eyes peeled

bold careless extroverted incautious outgoing rash uncareful

unguarded unsuspicious unwatchful

alert careful cautious defensive guarded heedful mindful observant on guard on one's toes on the watch upon one's guard vigilant watchful

active all ears attentive bright cagey careful clever good hands heads up intelligent lively observant on guard on one's toes on the job on the stick perceptive quick ready sharp spirited vigilant watchful wise with it

active all ears bright cagey careful circumspect clever fast on the draw good hands heads up heedful hip intelligent jazzed observant on guard on one's toes on the ball on the job on the qui vive perceptive psyched-up quick ready sharp spirited switched on vigilant wakeful wary watchful wide-awake wired wise with it

adroit advisable canny cool delicate diplomatic discreet expedient in one's best interests judicious perspicacious prudent sagacious sensible sharp shrewd smooth tactical tuned-in urbane

impolitic indiscreet injudicious tactless unwise

alive astir attentive awake careful heedful insomniac insomnious observant on guard on the alert on the qui vive sleepless vigilant waking wary watchful wide-awake

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 qui vive on toes open-eyed sharp sleepless unsleeping waiting on wakeful wide-awake with eyes peeled with weather eye open

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

impulsive negligent

alive astir attentive careful heedful insomniac insomnious observant on guard on the alert on the qui vive sleepless unsleeping vigilant waking wary watchful wide-awake

sleepy unaware

attentive circumspect considerate distrustful frugal leery prudent suspicious vigilant watchful

alert cagey calculating canny chary discreet doubting gingerly guarded handling with kid gloves heedful keeping on one's toes on guard on the qui vive provident safe saving sly sparing thinking twice thrifty unwasteful walking on eggs watching one's step watching out wide-awake

careless certain inattentive incautious inconsiderate indiscreet negligent

foolish heedless rash reckless

active alert all ears attentive bright bright-eyed and bushy-tailed fast on the draw heads up intelligent lively on guard on one's toes on the ball on the job psyched-up quick ready sharp spirited vigilant watchful wide-eyed wired

alert careful cautious defensive guarded heedful mindful observant on one's guard on one's toes on the watch vigilant wary watchful