Lewis & Short

ĭnūtĭlĭtas, ātis, f. [inutilis].

  1. I. Uselessness, unprofitableness, Lucr. 5, 1274.
  2. II. Hurtfulness, injuriousness, Cic. Inv. 2, 52, 158: facti, id. ib. 2, 26, 77.