glued

aware conscientious interested observant vigilant watchful

heedful

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

careless inattentive negligent unaware

disregarding heedless ignorant inconsiderate neglectful neglecting unattentive

durable stable sure tight true

adherent attached close constant constrained faithful fastened firm fortified held lasting permanent secure set sound staunch stuck wedged

ardent impregnable indelible inextricable loyal resistant resolute steadfast tenacious true blue unwavering

wobbly

changeable disloyal ephemeral flexible inconstant indefinite irresolute loose moving temporary unattached unfixed unstable

impermanent insecure movable uncertain

adhered baffled caught fixed frozen joined mired perplexed puzzled saddled stumped stymied

attentive careful cautious observant suspicious vigilant wary

alert

all ears chary circumspect 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 with eyes peeled

careless heedless inattentive incautious indiscreet rash thoughtless uncareful unobservant

negligent