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Sensationally and transparently when Charlie’s king? (7)

Ross

I believe the answer is:

luridly

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

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for luridly that I've seen before include "In a very sensational manner" , "Shockingly" , "In macabre fashion" , "In melodramatic fashion" .)

I've seen this clue in The Times.
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