[f. as prec. + -NESS.] The quality of being adventurous; daring; exposure of oneself to risk or peril.
1530. Palsgr., 195/2. Aventurousnesse, aventure (Fr.).
1647. Sprigg, Ang. Rediv., II. iii. (1854), 93. The great adventurousness of many of the soldiers comes fitly to be remembered.
1751. Johnson, Rambler, No. 129, ¶ 9. Fixing the just limits of caution and adventurousness.
1824. Southey, Sir T. More (1831), II. 176. In a spirit of desperate adventurousness.