ill-advised
Definitions
Not sensible or wise; likely to result in problems.
Done without sufficient consideration or sound judgment.
Examples
It was highly ill-advised to go hiking in the mountains without checking the weather forecast first.
The company's decision to launch the product during a recession proved to be ill-advised.
He realized that his ill-advised comments had caused significant offense to his colleagues.
Synonyms
imprudent unwise injudicious foolish rash reckless shortsighted
Antonyms
prudent wise judicious sensible sagacious advisable well-advised