Crossword Genius

Brute and tedious person in conversation (4)

Ross

I believe the answer is:

boor

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'brute' is the definition.
The answer and definition can be both people as well as being singular nouns.
Maybe you can see a link between them that I don't see?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for boor that I've seen before include "Crude rude person" , "Crude uncouth person" , "Lout" , "Rude, uncultured type" , "Rough, bad-mannered person" .)

I've seen this clue in The Sun.
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