Crossword Genius

Brewed ideal beer -- gas is foul (12)

Ross

I believe the answer is:

disagreeable

'is foul' is the definition.
(thesaurus)

'brewed ideal beer gas' is the wordplay.
'brewed' indicates an anagram.
'ideal'+'beer'+'gas'='idealbeergas'
'idealbeergas' anagrammed gives 'DISAGREEABLE'.

(Other definitions for disagreeable that I've seen before include "Bad-tempered" , "Unpleasant" , "Obnoxious" , "Offensive - peevish" .)

I've seen this clue in The Telegraph.
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