Crossword Genius

Posers for supply teacher (9)

Ross

I believe the answer is:

professor

'teacher' is the definition.
(thesaurus)

'posers for supply' is the wordplay.
'supply' indicates anagramming the letters (in a supple way).
'posers'+'for'='posersfor'
'posersfor' anagrammed gives 'PROFESSOR'.

(Other definitions for professor that I've seen before include "Senior university teacher" , "chairman?" , "Fellow" , "One affirming faith" , "High-ranking academic" .)

I've seen this clue in The Telegraph.
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