Close friend to regale excitedly

• Intimate change and say nothing
• Ultimately false number in singer’s equivalent figure

Wikipedia Word definitions in Wikipedia
An alter ego ( Latin , "the other I") is a second self , which is believed to be distinct from a person's normal or original personality . A person who has an alter ego is said to lead a double life. The term appeared in common usage in the early 19th century ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ During the past couple of years, Jerry had practically become his younger alter ego . ▪ Equally Odette and her alter ego Odile attract the prince less through their enchanted beauty than through their artlessness. ▪ He was not ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1530s, from Latin phrase (used by Cicero), "a second self, a trusted friend" (compare Greek allos ego ); see alter and ego .