We found 13 dictionaries that define the word alter egos:

General (9 matching dictionaries)

1. alter egos: Merriam-Webster
2. alter egos: Oxford Learner's Dictionaries
3. alter egos: Collins English Dictionary
4. alter egos: Vocabulary.com
5. alter-egos: Wordnik
6. alter egos: Cambridge Advanced Learner's Dictionary
7. alter-egos, alter egos: Wiktionary
8. Alter Egos (album), Alter Egos, Alter egos: Wikipedia, the Free Encyclopedia
9. Alter egos: TheFreeDictionary.com

Business (2 matching dictionaries)

10. alter egos: Merriam-Webster Legal Dictionary
11. Alter egos: Legal dictionary

Computing (1 matching dictionary)

12. Alter egos: Encyclopedia

Medicine (1 matching dictionary)

13. Alter egos: Medical dictionary

(Note: See alter_ego as well.)

Definitions from Wikipedia (Alter Egos) ▸ noun:  a 2012 American superhero comedy film written, edited, and directed by Jordan Galland. ▸ Words similar to alter egos ▸ Usage examples for alter egos ▸ Idioms related to alter egos ▸ Wikipedia articles (New!) ▸ Words that often appear near alter egos ▸ Rhymes of alter egos ▸ Invented words related to alter egos