unsuspecting
adjective
[ ʌnsəˈspɛktɪŋ ]
• (of a person or animal) not aware of the presence of danger; feeling no suspicion.
• "anti-personnel mines lie in wait for their unsuspecting victims"
Similar:
unsuspicious,
unwary,
unaware,
unconscious,
off guard,
ignorant,
unknowing,
unwitting,
oblivious,
heedless,
unmindful,
trusting,
trustful,
gullible,
credulous,
ingenuous,
naive,
innocent,
dupable,
easily deceived,
easily taken in,
exploitable,
incognizant,
nescient,