rare. [f. prec. + -NESS.] The quality of being adventuresome; tendency to incur hazards; boldness.
1731. Bailey, vol. II., Adventuresomeness, venturesomeness. [Also in , etc.]
1869. Mercersburg Rev., XVI. July, 424. Gymnastic practice in common is of great worth, when adventuresomeness and ostentation are excluded.
1877. Lancaster (PA) Intelligencer, 7 April, 2/2. The natural adventuresomeness and rashness of the Spanish are leading them into schemes to capture Chinese for purposes of slavery.