Unadvised

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.