unwise

Definitions

Not showing or resulting from good judgment or common sense.

Foolish or imprudent.

Examples

It would be unwise to ignore the warnings about the approaching storm.

He made the unwise decision to invest all of his savings in a single volatile stock.

It is often considered unwise to make important life choices when you are feeling angry.

Synonyms

foolish imprudent rash ill-advised reckless senseless injudicious

Antonyms

wise prudent sensible judicious sagacious cautious intelligent