asynchronous

adjective

asyn·​chro·​nous (ˌ)ā-ˈsiŋ-krə-nəs How to pronounce asynchronous (audio)
-ˈsin-
Synonyms of asynchronousnext
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The district will have a remote, asynchronous learning day Wednesday. Rebecca Noel, Charlotte Observer, 27 Jan. 2026 Schools have opted for asynchronous learning days when there were spikes of COVID cases, severe weather or to offer training for teachers. Jenny Porter Tilley, IndyStar, 26 Jan. 2026 Some systems offer video visits or asynchronous visits by text or chat. Nicole Villalpando, Austin American Statesman, 15 Jan. 2026 Its engagement model is also designed for modern learners, offering both live online sessions and asynchronous course experiences, allowing students to participate at their own pace or join real-time discussions and reflection activities. Connie Etemadi, USA Today, 17 Dec. 2025 See All Example Sentences for asynchronous

Word History

Etymology

see synchronous

First Known Use

1748, in the meaning defined at sense 1

Time Traveler
The first known use of asynchronous was in 1748

Cite this Entry

“Asynchronous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asynchronous. Accessed 2 Feb. 2026.

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