We found 10 dictionaries that define the word quick as a flash:

General (5 matching dictionaries)

1. quick as a flash: Merriam-Webster
2. quick as a flash: Oxford Learner's Dictionaries
3. quick as a flash: Cambridge Advanced Learner's Dictionary
4. quick as a flash: Wiktionary
5. quick as a flash: TheFreeDictionary.com

Business (2 matching dictionaries)

6. quick as a flash: Legal dictionary
7. quick as a flash: Financial dictionary

Computing (1 matching dictionary)

8. quick as a flash: Encyclopedia

Medicine (1 matching dictionary)

9. quick as a flash: Medical dictionary

Miscellaneous (1 matching dictionary)

10. quick as a flash: Idioms

Definitions from Wiktionary (quick as a flash) ▸ adjective:  (idiomatic, simile) Extremely quick. ▸ adverb:  (idiomatic, simile) Extremely quickly. Similar: quick as lightning, lightning-quick, rapid, superquick, lightning fast, quick-fire, quick on the draw, quick, ultraquick, lightning, more... Opposite: slow, sluggish, unhurried, leisurely Types: instantaneous, immediate, prompt, speedy, more... Phrases: as quick as a flash, more... ▸ Words similar to quick as a flash ▸ Usage examples for quick as a flash ▸ Idioms related to quick as a flash ▸ Wikipedia articles (New!) ▸ Popular nouns described by quick as a flash ▸ Words that often appear near quick as a flash ▸ Rhymes of quick as a flash ▸ Invented words related to quick as a flash