Crossword Genius

Describing pre-arranged loathing (12)

Ross

I believe the answer is:

representing

I'm a little stuck... Click here to teach me more about this clue!

'describing' is the definition.
The answer and definition can be both to do with communicating as well as being present participle verbs.
Maybe you can see a link between them that I don't see?

'pre-arranged loathing' is the wordplay.
I cannot quite see how this works, but
an anagram of 'pre' is 'rep' which is within the answer.
The remaining letters 'resenting' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for representing that I've seen before include "Speaking for" , "Acting for" .)

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