alter ego

Meaning

Noun

• Somebody's alternate personality or persona; another self.
• A very close and intimate friend.
• A corporation used by a person to conduct personal business in an attempt to shield himself or herself from personal liability, and which a court may penetrate by "piercing the corporate veil" to impose liability on the person when they commit fraud or injustice.

Related

Similar words

• alter idem

Origin

• From Latin alter ego.