Material did not stand out (5)

I believe the answer is:

satin

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'material' is the definition.
(I know that satin is a type of material)

I don't understand how the remainder of the clue works.

(Other definitions for satin that I've seen before include "Saint (anag.)" , "Silk fabric" , "Glossy textile" , "Shiny solk" , "Fine material" .)

I've seen this clue in The Irish Independent.

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