Is disagreeable? (8)

I believe the answer is:

dissents

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'is' is the definition.
The definition and answer can be both to do with social activities as well as being verbs in their -s form.
Maybe they are linked in a way I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for dissents that I've seen before include "Expresses opposition" , "Thinks differently" , "Expresses a different opinion" , "goes with schism?" , "Disagrees, takes different view" .)

I've seen this clue in The Globe and Mail.

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