ill-advised
1. [ adjective ] lacking or showing a lack of careful deliberation; unwise
Examples:

"ill-advised efforts" "ill-advised laws"

Related terms: imprudent
2. [ adjective ] without careful prior deliberation or counsel
Synonyms: unadvised
Examples:

"ill-advised efforts" "it would be ill-advised to accept the offer" "took the unadvised measure of going public with the accusations" "ill-advised efforts"

Related terms: well-advised foolish imprudent