Ad-vēnt'ūr-oūs, a.
a. [Fr. adventureux, aventureuse.] 1. Inclined or willing to adventure or incur hazard; bold to encounter danger; daring; courageous; enterprising; — applied to persons. Bold deed thou hast presumed, adventurous Eve. Milton. 2. Full of hazard; attended with risk; exposing to danger; requiring courage; — applied to things; as, an adventurous undertaking. Syn. — Rash; foolhardy; enterprising; daring; courageous. See RASH.