- not occurring at the same time.
- (of a computer or other electrical machine) having each operation started only after the preceding operation is completed.
- Computers, Telecommunications. of or relating to operation without the use of fixed time intervals (opposed to synchronous).
Origin of asynchronous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for asynchronous
1748, from a-, privative prefix, + synchronous.
Online Etymology Dictionary, © 2010 Douglas Harper