1731. Bailey, vol. II., Adventuresom, bold, daring, hazardous.
1755. Johnson, Adventuresome, the same with adventurous: a low word, scarcely used in writing.
1821. Keats, Endym., I. 6. Adventuresome, I send my herald thought into a wilderness.
1822. Poughkeepsie Jrnl., 3 April, 1/4. It was too late in the season, too wet, too dreary, too adventuresome.
1865. Reader, No. 151. 574/1. The most adventuresome if not foolhardy feat.