Monarch is an awful person from another time (11)

I believe the answer is:

anachronism

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'person from another time' is the definition.
'anachronism' can be an answer for 'person' (anachronism is a kind of person). I am unsure of the 'from another time' bit.

'monarch is an awful' is the wordplay.
'awful' is an anagram indicator.
'monarch'+'is'+'an'='monarchisan'
'monarchisan' with letters rearranged gives 'ANACHRONISM'.

Can you help me to learn more?

(Other definitions for anachronism that I've seen before include "old-fashioned chap" , "Something appearing in the wrong time" , "such as Trevithick going via Eurostar?" , "Item that could not have occurred when said" , "Something belonging to another time" .)

I've seen this clue in The Irish Independent.

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