Lewis & Short

ĭnhūmānĭtas, ātis, f. [inhumanus], inhumanity.

  1. I. Inhuman conduct, savageness, barbarity: crudelitas inhumanitasque, Cic. Verr. 2, 5, 44, § 115; id. Deiot. 12, 32.
  2. II. Want of good breeding.
    1. A. Incivility, impoliteness: quod ego non superbia neque inhumanitate faciebam. Cic. de Or. 1, 22, 99; id. Phil. 2, 4, 8.
    2. B. Unkindness, disobligingness; opp. officiosus, Cic. Mur. 4, 9.
    3. C. Surliness, churlishness: importunitas et inhumanitas omni aetati mofesta est, Cic. de Sen. 3, 7.
    4. D. Niggardliness: (populus Rom.) non amat profusas epulas, sordes et inhumanitatem multo minus, Cic. Mur. 36, 76.