Unkind \Un*kind"\, a. [See Kin kindred.]

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

--Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Unkind \Un*kind"\, a.

1. Not kind; contrary to nature, or the law of kind or kindred; unnatural. [Obs.]

``Such unkind abominations.'' --Chaucer.

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. --Sir T. Elyot. -- Un*kind"ly, adv. -- Un*kind"ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)