un advised (adjective) unadvised: not smart; careless
Sinonime: brash,
hasty,
heedless, hot-headed,
ignorant, ill-advised,
imprudent, in the dark, inadvisable, incautious,
inconsiderate, indiscreet, injudicious,
rash,
reckless,
thoughtless,
unaware, unconsidered, uninformed,
unknowing, unsuspecting, unwarned, unwary, unwise
Antonime: advised,
wise