unsuspecting
adjective
- someone who isn't suspicious of a situation
Wiktionary
adj
Etymology: Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English suspecting English unsuspecting From un- + suspecting.
- Not suspecting; without any suspicion.
“He easily shot the unsuspecting target.”
“One by one grotesque forms emerged from the jungle to creep stealthily upon the unsuspecting woman.”