Lady Guinevere's indignant response! (5)

I believe the answer is:

never

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'lady guinevere's indignant response' is the definition.
I can't tell whether this definition defines the answer.

'lady guinevere's indignant response' is the wordplay.
'NEVER' is hidden in amongst the letters.
However, I'm uncertain how this is indicated.

Can you help me to learn more?

(Other definitions for never that I've seen before include "' - - Say - - Again': Bond film" , "Surely not" , "On no occasion" , "At no time whatever" , "when hell freezes over?" .)

I've seen this clue in the Evening Standard.

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