We found 30 dictionaries that define the word guffaw:

General (27 matching dictionaries)

1. guffaw: Merriam-Webster
2. guffaw: Oxford Learner's Dictionaries
3. guffaw: American Heritage Dictionary of the English Language
4. guffaw: Collins English Dictionary
5. guffaw: Vocabulary.com
6. Guffaw, guffaw: Wordnik
7. guffaw: Cambridge Advanced Learner's Dictionary
8. guffaw: Wiktionary
9. guffaw: Webster's New World College Dictionary, 4th Ed.
10. guffaw: The Wordsmyth English Dictionary-Thesaurus
11. guffaw: Infoplease Dictionary
12. Guffaw, guffaw: Dictionary.com
13. guffaw: Online Etymology Dictionary
14. guffaw: Cambridge Essential American English Dictionary
15. Guffaw: Wikipedia, the Free Encyclopedia
16. Guffaw: Online Plain Text English Dictionary
17. guffaw: Webster's Revised Unabridged, 1913 Edition
18. guffaw: Rhymezone
19. Guffaw: AllWords.com Multi-Lingual Dictionary
20. GUFFAW: Dictionary of Americanisms (1848)
21. guffaw: FreeDictionary.org
22. guffaw: Mnemonic Dictionary
23. guffaw: TheFreeDictionary.com
24. guffaw: Wikimedia Commons US English Pronunciations
25. guffaw: Longman Dictionary of Contemporary English

Medicine (1 matching dictionary)

26. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

27. guffaw: Idioms

Slang (1 matching dictionary)

28. Guffaw: Urban Dictionary

(Note: See guffawed as well.)

Definitions from Wiktionary ( ) ▸ noun:  A boisterous laugh. ▸ verb:  (intransitive) To laugh boisterously. Similar: belly laugh, laugh loudly, guff, giggle, gale, yaw-haw, boffola, horselaugh, snigger, gaff, more... Opposite: titter, snicker, giggle Types: belly laugh, chuckle, giggle, snicker, chortle, cackle, titter, more... Phrases: guffaw in a text, text guffaw, guffaw cause, more... Adjectives: loud, great, hearty, big, huge, sudden, deep, general, hoarse, short, raucous ▸ Word origin ▸ Words similar to guffaw ▸ Usage examples for guffaw ▸ Idioms related to guffaw ▸ Wikipedia articles (New!) ▸ Popular adjectives describing guffaw ▸ Words that often appear near guffaw ▸ Rhymes of guffaw ▸ Invented words related to guffaw