Learner's definition of PERVERSE
[more perverse; most perverse]
wrong or different in a way that others feel is strange or offensive
their perverse cruelty to animals
She has a perverse fascination with death.
He seems to take perverse pleasure/delight in making things as difficult as possible.
His friends all enjoy his perverse sense of humor.
Is this some kind of perverse joke?
perverse [=perverted] sexual desires