Changeable fellow with unusually clean home. (9)

I believe the answer is:

chameleon

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'changeable fellow' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

'unusually clean home' is the wordplay.
'unusually' indicates anagramming the letters.
'clean'+'home'='cleanhome'
'cleanhome' anagrammed gives 'CHAMELEON'.

'with' is the link.

Can you help me to learn more?

(Other definitions for chameleon that I've seen before include "Ha! Clone me (anag)" , "Lizard that can change its colours" , "Lizard able to change its skin colour" , "Lizard that can adapt its colours to background" , "Animal that changes colour" .)

I've seen this clue in The Irish Times.

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