Answer:

ONALERT

Answer	Crossword Clue
ONALERT	Standing by
ONALERT	Poised for trouble
ONALERT	Ready for action

ONALERT	Vigilant
ONALERT	Ready
ONALERT	Ready for anything
ONALERT	At the ready
ONALERT	Watching carefully
ONALERT	Wary
ONALERT	Standing guard
ONALERT	Like a sentry, presumably

ONALERT	Not asleep at the switch
ONALERT	Looking out
ONALERT	Ready for battle
ONALERT	Ready and vigilant
ONALERT	Ready for an engagement
ONALERT	Ready to engage
ONALERT	Watching
ONALERT	At the ready.

ONALERT	In a watchful condition
ONALERT	Ready for trouble
ONALERT	Forewarned and ready
ONALERT	Having pricked ears
ONALERT	Primed
ONALERT	Watchful
ONALERT	Ready to rumble
ONALERT	Ready to scramble

ONALERT	Ready for shipping out
ONALERT	Prepared to ship out
ONALERT	Ready to ship out
ONALERT	Watchful for potential attack