Mike Connor wrote:
Perversion = i.e An aberrant sexual practice that is preferred to normal
intercourse.

Don´t see where it says "wrong".

TL
MC


Aberration:
(1) Deviation from what is usual, normal, or right.
(2) Mental unsoundness or disorder.
(3) a disturbance of the rays of a light such that they can no longer be
brought to a sharp focus or form a clear image.

Webster's Desk Dictionary