Fabric stiffener (6)

I believe the answer is:

starch

'fabric stiffener' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for starch that I've seen before include "Stiffness of manner" , "Stiffening agent" , "Stiffener in the laundry" , "Charts (anag) - formality" , "Formality - give stiffness" .)

I've seen this clue in The Independent, the Sydney Morning Herald, The Guardian and The Sun.

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