'ill-advised' definitions:

Definition of 'ill-advised'

(from WordNet)
adjective
Without careful prior deliberation or counsel; "ill- advised efforts"; "it would be ill-advised to accept the offer"; "took the unadvised measure of going public with the accusations" [syn: ill-advised, unadvised] [ant: advised, well-advised]

Synonyms of 'ill-advised'

From: Moby Thesaurus