We found 11 dictionaries that define the word foamiest:

General (8 matching dictionaries)

1. foamiest: Merriam-Webster
2. foamiest: Oxford Learner's Dictionaries
3. foamiest: Collins English Dictionary
4. foamiest: Vocabulary.com
5. foamiest: Cambridge Advanced Learner's Dictionary
6. foamiest: Wiktionary
7. foamiest: Dictionary.com
8. foamiest: TheFreeDictionary.com

Computing (1 matching dictionary)

9. foamiest: Encyclopedia

Medicine (1 matching dictionary)

10. foamiest: Medical dictionary

Miscellaneous (1 matching dictionary)

11. foamiest: Idioms

(Note: See foamy as well.)

Definitions from Wiktionary (foamy) ▸ adjective:  Full of foam. ▸ noun:  Alternative spelling of foamie [An inexpensive surfboard made of extruded polystyrene foam] ▸ Also see foamy ▸ Words similar to foamiest ▸ Usage examples for foamiest ▸ Idioms related to foamiest ▸ Wikipedia articles (New!) ▸ Popular adjectives describing foamiest ▸ Popular nouns described by foamiest ▸ Words that often appear near foamiest ▸ Rhymes of foamiest ▸ Invented words related to foamiest