We found 17 dictionaries that define the word thwarter:

General (14 matching dictionaries)

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

Business (1 matching dictionary)

15. thwarter: Legal dictionary

Computing (1 matching dictionary)

16. thwarter: Encyclopedia

Medicine (1 matching dictionary)

17. online medical dictionary (No longer online)

(Note: See thwart as well.)

Definitions from Wiktionary (thwarter) ▸ noun:  A person or thing that thwarts. ▸ noun:  (obsolete) A disease in sheep, characterised by trembling, or convulsion. Similar: checker, throttler, hinderer, blocker, stinter, blockader, withstander, warder, stauncher, preventer, more... Opposite: facilitator, enabler, supporter, helper ▸ Words similar to thwarter ▸ Usage examples for thwarter ▸ Idioms related to thwarter ▸ Wikipedia articles (New!) ▸ Popular adjectives describing thwarter ▸ Words that often appear near thwarter ▸ Rhymes of thwarter ▸ Invented words related to thwarter