Somewhat dishonest, rude, authoritarian current PM (7)

I believe the answer is:

trudeau

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'current pm' is the definition.
The definition suggests a singular noun which matches the answer.

'somewhat dishonest rude authoritarian' is the wordplay.
'somewhat' says the answer is hidden in the clue.
'TRUDEAU' is hidden in the letters of 'dishonest rude authoritarian'.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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