† studiˈosityObs.rare—1. [ad. F. studiosité, ad.med.L. studiōsitās, f. L. studiōsus: see next and -ity.] The quality of being studious. 1578Florio 1st Fruites 72 b, The daughters of Temperance .. are .. Shame, Honestie, .. Modestie, Studiositie, [etc.].