alter ego

al·ter ego

noun \ˌl-tər-ˈē-(ˌ)gō also -ˈe-(ˌ)gō\

: a different version of yourself

: a close friend who thinks or feels similarly to the way you think or feel

Full Definition of ALTER EGO

:  a second self: as
a :  a trusted friend
b :  the opposite side of a personality
c :  counterpart 3

Examples of ALTER EGO

  1. a trusted adviser who is the President's alter ego
  2. <over the years the state's other senator became his alter ego as well as his political ally>

Origin of ALTER EGO

Latin, literally, second I
First Known Use: 1537


Next Word in the Dictionary: alterity
Previous Word in the Dictionary: altered chord
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