Selfishness (6)
'selfishness' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for egoism that I've seen before include "Self-centredness, vanity" , "self-centred doctrine" , "Excessive self-regard" , "sense of superiority" , "display of selfishness" .)
'selfishness' is the definition.
(thesaurus)
This is all the clue.
(Another definition for egocentrism that I've seen is " Self centred nature".)