n. & v.
n. 1 an unusual and exciting experience. 2 a daring enterprise; a hazardous activity. 3 enterprise (the spirit of adventure). 4 a commercial speculation.
v.intr. 1 (often foll. by into, upon) dare to go or come. 2 (foll. by on, upon) dare to undertake. 3 incur risk; engage in adventure. adventure playground a playground where children are provided with functional materials for climbing on, building with, etc. adventuresome adj.
[ ME f. OF aventure, aventurer f. L adventurus about to happen (as ADVENT) ]