Answer: onguard

AnswerCrossword Clue
ONGUARD

Alert to danger

ONGUARD

Like a sentry

ONGUARD

Vigilant against attack

ONGUARD
Fully alert
ONGUARD
Wary
ONGUARDWatchful.
ONGUARDVigilant.
ONGUARDAlert.
ONGUARDPrepared.
ONGUARDFencing phrase.
ONGUARDVigilant
ONGUARDFencing term
ONGUARDAlert and suspicious
ONGUARDAlert