backstop
precautional
wariness
keep an eye open
precaution
keep a lookout
precautiously
prevention
tread carefully
safeguard
warily
guard
EPO
e-
invacuate
keep one's guard up
fail-safe
red alert
preparedness
on the safe side
precautious
safely
standby
precautionarily
safe
A&E
get down
monition
word of advice
admonition
emergent
warning
save someone's skin
precautiousness
abbrochment
code blue
for fear of
halloo before one is out of the wood
cautioner
watch one's step
on thin ice
casualty
safety-conscious
natural disaster
deter
tactical warning
cover someone's ass
forewarn
heroics
carefulness
state of alarm
careful
warn
911
spare
cautiously
guarded
block
harbor of refuge
restrained
take care
unalert
unvigilant
warning sign
forestall
precautionary
shy away from
unwatchful
chopping block
hang by a thread
gardyloo
preserved
keep one's stick on the ice
safety spot
uncharted water
keep one's eyes open
surveil
nonharm
hypovigilant
postemergency
sconce
debar
avoid
deflect
avert
hide out
preserver
hide
guard against
an ounce of prevention is better than a pound of cure
it's an emergency