We found 12 dictionaries that define the word async:

General (6 matching dictionaries)

1. async: Merriam-Webster
2. Async, async: Wordnik
3. async: Wiktionary
4. ASYNC: Dictionary.com
5. Async: Wikipedia, the Free Encyclopedia
6. async: Merriam-Webster

Computing (2 matching dictionaries)

7. ASYNC: CCI Computer
8. BABEL: Computer Oriented Abbreviations and Acronyms (No longer online)

Medicine (1 matching dictionary)

9. Async: Medical dictionary

Miscellaneous (2 matching dictionaries)

10. ASYNC: Acronym Finder
11. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

12. async: Urban Dictionary

Definitions from Wiktionary (Async) ▸ adjective:  (computing) Abbreviation of asynchronous. [Not synchronous; occurring at different times.] Similar: asynch, asynchronous, nonblocking, asynchronicity, synchronous, callback, multithreading, mutex, asynchronism, asynchrony, more... Opposite: sync, synchronous, real-time Types: concurrent, parallel, multithreaded, distributed, non-blocking, event-driven, reactive, more... ▸ Words similar to async ▸ Usage examples for async ▸ Idioms related to async ▸ Wikipedia articles (New!) ▸ Popular nouns described by async ▸ Words that often appear near async ▸ Rhymes of async ▸ Invented words related to async