We found 21 dictionaries that define the word egomaniac:

General (16 matching dictionaries)

1. egomaniac: Merriam-Webster
2. egomaniac: Oxford Learner's Dictionaries
3. egomaniac: Collins English Dictionary
4. egomaniac: Vocabulary.com
5. Egomaniac, egomaniac: Wordnik
6. egomaniac: Cambridge Advanced Learner's Dictionary
7. egomaniac: Wiktionary
8. egomaniac: Dictionary.com
9. Egomaniac (album), Egomaniac: Wikipedia, the Free Encyclopedia
10. egomaniac: Rhymezone
11. egomaniac: FreeDictionary.org
12. egomaniac: Mnemonic Dictionary
13. egomaniac: TheFreeDictionary.com
14. egomaniac: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

15. egomaniac: Legal dictionary

Computing (1 matching dictionary)

16. egomaniac: Encyclopedia

Medicine (2 matching dictionaries)

17. egomaniac: Merriam-Webster Medical Dictionary
18. egomaniac: Medical dictionary

Slang (1 matching dictionary)

19. Egomaniac: Urban Dictionary

(Note: See egomania as well.)

Definitions from Wiktionary ( ) ▸ noun:  A person obsessed with their own (supposed) importance. Similar: monomaniac, automaniac, egotist, egoist, theomaniac, oniomaniac, erotomaniac, ergasiomania, ethnomaniac, egocentrist, more... Opposite: humble, modest, unassuming Types: narcissist, egotist, elitist, snob, more... Adjectives: such, arrogant, ruthless, complete, total, selfish, little, uncompromising, young, admirable, absolute Colors:     red,     black,     gold,     silver,     purple, more... ▸ Words similar to egomaniac ▸ Usage examples for egomaniac ▸ Idioms related to egomaniac ▸ Wikipedia articles (New!) ▸ Popular adjectives describing egomaniac ▸ Words that often appear near egomaniac ▸ Rhymes of egomaniac ▸ Invented words related to egomaniac