Answer: unalert

AnswerCrossword Clue
UNALERT

Caught napping.

UNALERT

Not watchful.

UNALERT

Deaf to danger.

UNALERT
Inattentive.
UNALERT
Not on guard.
UNALERTOff guard.
UNALERTOff one's guard.
UNALERTDrowsing
UNALERTCareless
UNALERTAsleep at the switch