ASYNCHRONOUS
asynchronous
(adjective) not synchronous; not occurring or existing at the same time or having the same period or phase
asynchronous
(adjective) (digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself
Source: WordNet® 3.1
Etymology
Adjective
asynchronous (not comparable)
Not synchronous; occurring at different times.
(computing, of a request or a message) Allowing the client to continue during processing.
(computing, communication) Having many actions occurring at a time, in any order, without waiting for each other.
Synonyms
• async (colloquial)
• asynch (colloquial)
• metachronous
Antonyms
• synchronous
Source: Wiktionary
A*syn"chro*nous, a. [Gr. not + synchronous.]
Definition: Not simultaneous; not concurrent in time; --opposed to
synchronous.
Source: Webster’s Unabridged Dictionary 1913 Edition