Somewhat irreverently returned? In your dreams (5)

I believe the answer is:

never

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'somewhat' is the definition.
Both the definition and answer are adverbs. Perhaps they are linked in a way I don't understand?

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

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(Other definitions for never that I've seen before include "when hell freezes over?" , "Under no circumstances" , "' - - Say - - Again': Bond film" , "On no account" , "At no time in the past or future" .)

I've seen this clue in The Times.

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