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

Practice answering concisely and confidently in your own voice. Expect asynchronous video formats. —Kathy Caprino, Forbes.com, 20 Aug. 2025

This will give teachers and schools time to transition to the new curriculum. Educators interested in incorporating the new curriculum into their lessons can also attend a one-hour asynchronous professional development course that starts on August 18, 2025. —Sarah Scott, Parents, 18 Aug. 2025

True hybrid learning mixes asynchronous micro‑lessons with short, purpose‑built live sessions for discussion, feedback or group work. —Pablo Listingart, Forbes.com, 13 Aug. 2025

On the first day the superintendent calls for e-learning, instruction is asynchronous. —Molly Morrow, Chicago Tribune, 5 Aug. 2025

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