We found 22 dictionaries that define the word doubter:

General (18 matching dictionaries)

1. doubter: Merriam-Webster
2. doubter: Oxford Learner's Dictionaries
3. doubter: Collins English Dictionary
4. doubter: Vocabulary.com
5. Doubter, doubter: Wordnik
6. doubter: Cambridge Advanced Learner's Dictionary
7. doubter: Wiktionary
8. Doubter, doubter: Dictionary.com
9. Doubter: Online Plain Text English Dictionary
10. doubter: Webster's Revised Unabridged, 1913 Edition
11. doubter: Rhymezone
12. Doubter: AllWords.com Multi-Lingual Dictionary
13. doubter: Webster's 1828 Dictionary
14. doubter: FreeDictionary.org
15. doubter: Mnemonic Dictionary
16. doubter: TheFreeDictionary.com

Business (1 matching dictionary)

17. doubter: Legal dictionary

Computing (1 matching dictionary)

18. doubter: Encyclopedia

Miscellaneous (1 matching dictionary)

19. doubter: Idioms

Slang (1 matching dictionary)

20. doubter: Urban Dictionary

(Note: See doubt as well.)

Definitions from Wiktionary (doubter) ▸ noun:  One who doubts. Similar: skeptic, agnostic, sceptic, second guesser, disputer, discreditor, suspector, belier, underthinker, denouncer, more... Opposite: believer, supporter, advocate, proponent Phrases: self doubter, to convince a doubter, more... Adjectives: honest, greatest, such, many, chronic, only, last, young, real, philosophic, poor ▸ Words similar to doubter ▸ Usage examples for doubter ▸ Idioms related to doubter ▸ Wikipedia articles (New!) ▸ Popular adjectives describing doubter ▸ Words that often appear near doubter ▸ Rhymes of doubter ▸ Invented words related to doubter