Unkind
Unkind , adjective
[See Kin kindred.]
Having no race or kindred; childless. [Obsolete & Rare] — Shakespeare
Unkind , adjective
1.
Not kind; contrary to nature, or the law of kind or kindred; unnatural. [Obsolete]
Such unkind abominations.
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.