unvigilant

any old way bold brash careless caught napping devil-may-care fast-and-loose foot-in-mouth hasty heedless hotheaded ill-advised ill-judged impetuous improvident imprudent impulsive inconsiderate indiscreet injudicious madcap neglectful negligent off guard pay no mind playing with fire precipitate rash reckless regardless sticking one's neck out thoughtless unalert unguarded unmindful unthinking unwatchful wary wide open

careful cautious discreet thoughtful

asleep asleep on the job daydreaming flat-footed inattentive napping spaced out unalert unready unsuspecting unwatchful zoned out

candid indiscreet offhand spontaneous

accessible artless careless casual direct foolhardy frank headlong heedless honest ill-considered impolitic imprudent impulsive incautious ingenuous naive rash straightforward unalert uncircumspect unconscious undiplomatic unpremeditated unreflective unthinking unwatchful unwise vulnerable weak

deliberate planned

careful cautious thoughtful

brash careless credulous hasty ignorant ill-advised impetuous imprudent incautious inconsiderate indiscreet negligent rash reckless unadvised unalert uncircumspect unguarded unprepared unsuspecting unsuspicious unwatchful

cautious heeding mindful thoughtful wary