from
The Collaborative International Dictionary of English v.0.48
Unkind \Un*kind"\, a.
1. Not kind; contrary to nature, or the law of kind or
kindred; unnatural. [Obs.] "Such unkind abominations."
--Chaucer.
[1913 Webster]
2. Wanting in kindness, sympathy, benevolence, gratitude, or
the like; cruel; harsh; unjust; ungrateful.
[1913 Webster]
He is unkind that recompenseth not; but he is most
unkind that forgetteth. --Sir T.
Elyot.
[1913 Webster] -- {Un*kind"ly}, adv. -- {Un*kind"ness}, n.
[1913 Webster]