1. (n.) Inclined to adventure; willing to incur hazard; prone to embark in hazardous enterprise; rashly daring; -- applied to persons.

2. (n.) Full of hazard; attended with risk; exposing to danger; requiring courage; rash; -- applied to acts; as, an adventurous undertaking, deed, song.

adventuresome adversary aggressive aleatory ambitious antagonist anti assaulter attacker audacious bold brash brave chancy con courageous daredevil daring death-defying devil-may-care dicey doughty driving dynamic enterprising fire-eating foolhardy forceful forward full of risk go-ahead harebrained hazardous hotheaded hustling impetuous imprudent intrepid madbrain madbrained madcap match opposer oppugnant overbold overconfident presumptuous pushful pushing pushy rash reckless riskful risky speculative temerarious up-and-coming venturesome venturous wild wild-ass wildcat