The Collaborative International Dictionary
Unheart
Unheart \Un*heart"\, v. t. [1st pref. un- + heart.]
To cause to lose heart; to dishearten. [Obs.]
--Shak.
Wiktionary
unheart
vb. (context obsolete English) To cause to lose heart; to dishearten.
Usage examples of "unheart".
For the son of Celonwy is not so easily unhearted as yon poor shells of men.
The dead and badly wounded were beheaded so that Pel could not make them things of his unhearted service.
For I also was an unhearted thing, unknown to myself, until Celonwy my mother freed me from the spell of the white hart.
They are consummate servants to their faceless master, unhearted things that they are.