asynchronous

adjective

asyn·​chro·​nous (ˌ)ā-ˈsiŋ-krə-nəs 

-ˈsin-

1

: not simultaneous or concurrent in time : not synchronous

asynchronous sound

2

: of, used in, or being digital (see digital sense 4) communication (as between computers) in which there is no timing requirement for transmission and in which the start of each character is individually signaled by the transmitting device

asynchronously adverb

Examples of asynchronous in a Sentence

Recent Examples on the Web

Virtual triage, asynchronous communication, remote monitoring, and emerging AI tools are already reshaping how patients enter and move through the health care system. —Iyesatta Massaquoi Emeli, STAT, 2 June 2026

Closer to the modern era, an Inuit creation story relays a chase scene to explain the sun and moon's asynchronous flights. —Doris Elin Urrutia, Space.com, 30 May 2026

To Stay Visible The Microsoft researchers also found that communication shifted away from real-time interaction toward asynchronous communication. —Caroline Castrillon, Forbes.com, 27 May 2026

The most rampant abuse is generally with the asynchronous online courses where students are faceless. —Jay Caspian Kang, New Yorker, 26 May 2026

Word History

Etymology

see synchronous

First Known Use

1748, in the meaning defined at sense 1

Phrases Containing asynchronous

• asynchronous transfer mode

Rhymes for asynchronous

• geosynchronous
• synchronous