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