unwary

adjective

Not alert to danger, problems, or deception.

Not wary; not vigilant against danger; not cautious; unguarded; precipitate; heedless; careless.

Unexpected.

adjective

Not vigilant against danger; not wary or cautious; unguarded; precipitate; heedless; careless.

adjective

Unexpected; unforeseen; unware.

adjective

Lacking caution as a result of naïveté or inexperience

adjective

Unprepared; not watchful

adjective

not alert to danger or deception