Being exasperated, gave brief to exceptional graduate from university (10)

I believe the answer is:

aggravated

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'being exasperated' is the definition.
(thesaurus)

I can't explain the remainder of the clue.

(Other definitions for aggravated that I've seen before include "Made worse" , "made more severe" , "Annoyed" , "Made (offence) more serious (legal)" , "Worsened" .)

I've seen this clue in The Irish Times.

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