wide-awake
heads-up
erect
wide awake
keep one's head on a swivel
keep one's eyes peeled
knowing
knowledgeable
observant
vigilance
awake
wakeful
on one's guard
superalert
sleepless
bewake
alertly
lidless
waker
watchfully
vigilantly
sharp-sighted
sharp-eyed
open-eyed
quick-sighted
observative
on guard
keep one's eyes open
stand sentinel
guard
watchably
observe
all eyes
vigilant
unsleeping
bright-eyed
look sharp
cogniscient
yare
dragonize
watchful
patulously
nimble
alert
tranquilly
taciturnous
psychostimulant
loud and clear
excubant
reassuringly
sanguinity
watchability
sanguineness
pellucid
qui vive
signalize
point out
signalise
argus
ware
call attention
overwatch
be with it
handsome
heedfully
lown
know the score
on watch
sharpie
bird dog
know what's going on
be on the ball
drink in
know what's what
unfailingly
literatured
crystal clear
keep one's eyes skinned
overlook
pacifically
yauld
conscious
favour
peaceably
favor
serene
smart
articulate
all eyes and ears
take care
wake
tranquillizingly
await
in peace
without question
wide-awake
heads-up
erect
wide awake
knowing
knowledgeable
observant
awake
wakeful
superalert
sleepless
lidless
waker
sharp-sighted
sharp-eyed
open-eyed
quick-sighted
observative
on guard
all eyes
vigilant
unsleeping
bright-eyed
cogniscient
yare
watchful
nimble
taciturnous
psychostimulant
excubant
pellucid
ware
handsome
literatured
crystal clear
yauld
conscious
serene
smart
articulate
all eyes and ears
alertly
watchfully
vigilantly
watchably
patulously
tranquilly
loud and clear
reassuringly
heedfully
unfailingly
pacifically
peaceably
tranquillizingly
vigilance
alert
sanguinity
watchability
sanguineness
qui vive
argus
lown
sharpie
favour
favor
keep one's head on a swivel
keep one's eyes peeled
bewake
keep one's eyes open
stand sentinel
guard
observe
look sharp
dragonize
signalize
point out
signalise
call attention
overwatch
be with it
know the score
bird dog
know what's going on
be on the ball
drink in
know what's what
keep one's eyes skinned
overlook
take care
wake
await
English words for 'fully alert and watchful'
As you may have noticed, above you will find words for "fully alert and watchful". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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