Wiktionary
unpleasure
n. 1 (context rare English) unpleasantness; displeasure. 2 (context psychology English) A sense of internal discomfort opposed to pleasure, produced by impeded impulses from the ego.
Usage examples of "unpleasure".
It is on the look-out for an opportunity of being activated, and when that happens it succeeds in sending into consciousness a disguised and unrecognisable substitute for what has been repressed, and to this there soon become attached the same feelings of unpleasure which it was hoped had been saved by the repression.
And often the frustration of those desires led as often to unpleasure or even pain.