- inclined or willing to engage in adventures; enjoying adventures.
- full of risk; requiring courage; hazardous: an adventurous undertaking.
- Also: adventuresome daring or enterprising
- dangerous; involving risk
mid-14c., “hazardous” (also “occurring by chance,” late 14c.), from Old French aventuros “chance, accidental, fortuitous;” of persons, “devoted to adventure” (Modern French aventureux), from aventure (see adventure (n.)). Sense evolution is through “rash, risk-taking” (c.1400), “daring, fond of adventure” (mid-15c.).