Artistic style (5)

I think it could be either:

Which length description are you looking for?:

idiom

'artistic style' is the definition.
(synonyms)

This is the entire clue.

(Other definitions for idiom that I've seen before include "Distinctive expression" , "Characteristic mode of expression" , "Group of words in which the meaning may not be obvious" , "Expression that does not make literal sense" , "Peculiarity of phrase in a language" .)

I've seen this clue in The Guardian.

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