UNADVISED

unadvised, ill-advised

(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”

unadvised

(adjective) having received no information; “a defendant unadvised of her legal rights”

Source: WordNet® 3.1

Etymology

Adjective

unadvised (comparative more unadvised, superlative most unadvised)

Not having received advice.

(dated) Ill-advised; imprudent; rash.

Source: Wiktionary

Un`ad*vised", a.

1. Not prudent; not discreet; ill advised. Shak.

2. Done without due consideration; wanton; rash; inconsiderate; as, an unadvised proceeding.

– Un`ad*vis"ed*ly, adv.

– Un`ad*vis"ed*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition