Definition of alter ego
- Clark Kent and his alter ego Superman
- a fictional character that is the author's alter ego
a trusted adviser who is the President's alter ego
over the years the state's other senator became his alter ego as well as his political ally
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alter ego.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
In Latin, alter ego literally means "second I". An alter ego can be thought of as a person's clone or second self. A professional alter ego might be a trusted aide who knows exactly what the boss wants done. A personal alter ego might be a close friend who is almost like a twin. Alter ego can also refer to the second, hidden side of one's own self. In Robert Louis Stevenson's classic The Strange Case of Doctor Jekyll and Mr. Hyde, Dr. Jekyll is a good-hearted, honorable man; but after taking a potion, his alter ego, the loathsome and diabolical Mr. Hyde, takes over his personality.
First Known Use: 1537See Words from the same year
What made you want to look up alter ego? Please tell us where you read or heard it (including the quote, if possible).
of very fine texture or delicate form
Get Word of the Day daily email!
Star Wars Words Quiz