Unkind /(?)/

Un·kind

Unkind

a.
  1. Having no race or kindred; childless. [Obs. & R.]

Unkind

a.
  1. Not kind; contrary to nature, or the law of kind or kindred; unnatural. [Obs.]
  2. Wanting in kindness, sympathy, benevolence, gratitude, or the like; cruel; harsh; unjust; ungrateful.
    He is unkind that recompenseth not; but he is most unkind that forgetteth.