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

York School District will have an asynchronous learning day for students. —Nick Sullivan, Charlotte Observer, 4 Feb. 2026

Chang teaches gifted education at Drew Charter School, working with neurodivergent and asynchronous learners. —Alexa Liacko, CBS News, 3 Feb. 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

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