What does adventurous mean?
The definition of adventurous
Ad*ven”tur*ous, a.
Etym: [OE. aventurous, aunterous, OF. aventuros, F. aventureux, fr. aventure. See Adventure, n.]

1 Inclined to adventure; willing to incur hazard; prone to embark in hazardous enterprise; rashly daring; — applied to persons. Bold deed thou hast presumed, adventurous Eve. Milton.
2 Full of hazard; attended with risk; exposing to danger; requiring courage; rash; — applied to acts; as, an adventurous undertaking, deed, song.

Synonyms
— Rash; foolhardy; presumptuous; enterprising; daring; hazardous; venturesome. See Rash.