We found 18 dictionaries that define the word imposter:

General (14 matching dictionaries)

1. imposter: Merriam-Webster
2. imposter: Oxford Learner's Dictionaries
3. imposter: Collins English Dictionary
4. imposter: Vocabulary.com
5. Imposter, imposter: Wordnik
6. imposter: Cambridge Advanced Learner's Dictionary
7. imposter: Wiktionary
8. imposter: Dictionary.com
9. imposter: Cambridge Essential American English Dictionary
10. Imposter, The Imposter (album), The Imposter (short story), The Imposter: Wikipedia, the Free Encyclopedia
11. imposter: Rhymezone
12. imposter: FreeDictionary.org
13. imposter: Mnemonic Dictionary
14. imposter: TheFreeDictionary.com

Business (2 matching dictionaries)

15. imposter: Merriam-Webster Legal Dictionary
16. imposter: Legal dictionary

Computing (1 matching dictionary)

17. imposter: Encyclopedia

Slang (1 matching dictionary)

18. imposter: Urban Dictionary

(Note: See imposters as well.)

Definitions from Wiktionary (Imposter) ▸ noun:  Alternative spelling of impostor [Someone who attempts to deceive by using an assumed name or identity.] Similar: pretender, impostor, fake, pseud, sham, fraud, pseudo, role player, doppelganger, usurper, more... Opposite: authentic, genuine, real, true Types: con artist, snake oil salesman, charlatan, quack, more... Phrases: imposter syndrome, when the imposter is sus, sham imposter, disguised imposter, fake imposter, more... Adjectives: great, old, clever, vile, such, young, religious, mere, notorious, celebrated, little Colors:     red,     black,     gray,     dark green,     navy blue, more... ▸ Words similar to imposter ▸ Usage examples for imposter ▸ Idioms related to imposter ▸ Wikipedia articles (New!) ▸ Popular adjectives describing imposter ▸ Words that often appear near imposter ▸ Rhymes of imposter ▸ Invented words related to imposter