alter ego
nounmasculineformal/aɫˈtɛɾ ˈɛgu/medium
al·ter-e·go
Definition
A second self or different version of oneself; a trusted friend or counterpart.
The singer's stage persona is her flamboyant alter ego.
He considered his business partner his alter ego.
Common collocations
legal alter egocreate an alter ego
Etymology
Do latim 'alter ego' (outro eu).