† aˈnnosityObs.rare—1. [ad. L. annōsitātem, n. of quality f.annōs -us full of years, f.annus year.] Fullness of years, length of life, agedness. 1654Lestrange Chas. I, 136 Robert Parr..the wonder of our times for annosity and long life.1742Bailey, Annosity, Agedness. [Not in J. or mod. Dicts.]