Crossword Genius

Brutality imprisoning a monarch for lack of personal experience (13)

Ross

I believe the answer is:

vicariousness

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'lack of personal experience' is the definition.
The definition suggests a singular noun which matches the answer.

'brutality imprisoning a monarch for' is the wordplay.
'brutality' becomes 'viciousness' (synonyms).
'imprisoning' is an insertion indicator.
'a monarch for' becomes 'ar' (I am not sure about this - if you are sure you should believe this answer much more).
'viciousness' going around 'ar' is 'VICARIOUSNESS'.

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