Crossword Genius

Exasperate by ordering a race bet (8)

Ross

I believe the answer is:

acerbate

'exasperate' is the definition.
(I've seen this before)

'ordering a race bet' is the wordplay.
'ordering' indicates anagramming the letters.
'a'+'race'+'bet'='aracebet'
'aracebet' anagrammed gives 'ACERBATE'.

'by' acts as a link.

(Other definitions for acerbate that I've seen before include "Put out" , "Exasperate" , "distress" .)

I've seen this clue in The Mirror.
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