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"
having received no information; "a defendant unadvised of her legal rights"
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"; "ill-advised efforts"