Active English politician, gutless to block call for review (9)

I believe the answer is:

energetic

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'active' is the definition.
('energetic' can be similar in meaning to 'active')

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for energetic that I've seen before include "Lively, spirited" , "Full of beans" , "Vigorous and dynamic" , "Lively, dynamic" , "It's vital" .)

I've seen this clue in The Telegraph.

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