Question

Opposite of pleasure

Answer 1

DISPLEASURE.


Because?

you are opposing the pleasure of that single person.

I.E You, are seeming very pleasured. As I, am very DISPLEASURED with School. 

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-Thanks 
-АK--

My pleasure to help you

Answer 2

Diametrical to pleasure would be displeasure. Here are other words that can denote displeasure:
Displeasure
Discontent 
Dissatisfaction
Misery 
Need
Sadness
Sorrow
Unhappiness
Upset
Ect....

I hope this helps you! :)