Egocentric leftist sneered outrageously (4-10)

I believe the answer is:

self-interested

'egocentric' is the definition.
(thesaurus)

'leftist sneered outrageously' is the wordplay.
'outrageously' indicates anagramming the letters.
'leftist'+'sneered'='leftistsneered'
'leftistsneered' is an anagram of 'SELF-INTERESTED'.

I've seen this clue in The Independent.

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