We found 14 dictionaries that define the word big fish:

General (9 matching dictionaries)

1. big fish: Collins English Dictionary
2. big fish: Vocabulary.com
3. big fish: Dictionary.com
4. Big Fish (band), Big Fish (disambiguation), Big Fish (film), Big Fish (musical), Big Fish (song), Big Fish (soundtrack), Big Fish, Big fish, The Big Fish: Wikipedia, the Free Encyclopedia
5. big fish: Rhymezone
6. big fish: FreeDictionary.org
7. big fish: Mnemonic Dictionary
8. big fish: TheFreeDictionary.com
9. big fish: Wiktionary

Computing (1 matching dictionary)

10. big fish: Encyclopedia

Medicine (1 matching dictionary)

11. big fish: Medical dictionary

Miscellaneous (2 matching dictionaries)

12. BIG FISH: Acronym Finder
13. big fish: Idioms

Slang (1 matching dictionary)

14. BIG-FISH, Big Fish: Urban Dictionary

Definitions from Wiktionary (big fish) ▸ noun:  (idiomatic, usually singular) An important person. Similar: big fish in a small pond, big name, big hitter, big shot, big noise, big cheese, big deal, big-timer, someone, important person, more... Types: whale, shark, stingray, barracuda, clownfish, goliath grouper, great white shark, hammerhead shark, more... Phrases: a big fish in a small pond, a big fish, big fish in a small pond, Reel Big Fish, Big Fish Games, more... ▸ Words similar to big fish ▸ Usage examples for big fish ▸ Idioms related to big fish ▸ Wikipedia articles (New!) ▸ Words that often appear near big fish ▸ Rhymes of big fish ▸ Invented words related to big fish