MP avoids ‘Harrumph’; turns it into cry of joy (6)
I believe the answer is:
hurrah
'mp avoids harrumph turns it into cry of joy' is the definition.
I can't judge whether this definition defines the answer.
'mp avoids harrumph turns' is the wordplay.
'avoids' is a deletion indicator.
'turns' is a reversal indicator.
'harrumph' with 'mp' removed is 'harruh'.
'harruh' backwards is 'HURRAH'.
Can you help me to learn more?
(Other definitions for hurrah that I've seen before include "One cheer?" , "Last ____, final act" , "Joyful exclamation" , "Bravo" , "A victory cheer" .)