Forceful politician, hard one to quote without getting upset (8)
I believe the answer is:
emphatic
'forceful' is the definition.
(synonyms)
'politician hard one to quote without getting upset' is the wordplay.
I cannot really understand how this works, but
'politician' could be 'mp' (Member of Parliament) and 'mp' is found in the answer.
'hard' could be 'h' (abbreviation used in pencil classifications) and 'h' is located in the answer.
'one' could be 'i' (Roman numeral) and 'i' is found in the answer.
'upset' could be 'eat' (eat can mean to upset or distress) and 'eat' is present in the leftover letters.
A single letter 'c' remains which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for emphatic that I've seen before include "Striking" , "Forceful - pronounced" , "Impact he combined with special stress" , "For sure" , "In no uncertain terms" .)