Indecent bridal pants (6)

I believe the answer is:

ribald

'indecent' is the definition.
(I've seen this before)

'bridal pants' is the wordplay.
'pants' is an anagram indicator (UK informal term for 'nonsense' or 'rubbish').
'bridal' is an anagram of 'RIBALD'.

(Other definitions for ribald that I've seen before include "Foul-mouthed" , "Obscene" , "Humourous in vulgar way" , "Coarsely mocking" , "Coarse" .)

I've seen this clue in The Everyman puzzle in The Observer.

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