asynchronous

[ey-sing-kruh-nuhs] / eɪˈsɪŋ krə nəs /

ADJECTIVE

not occurring at the same time

Synonyms

STRONGEST

nonsynchronous

STRONG

allochronic uncontemporaneous

WEAK

nonparallel serial

Antonyms

STRONGEST

concurrent contemporaneous simultaneous synchronous

WEAK

parallel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This type of asynchronous, always-on capability separates claws from conventional AI chatbots where work happens in real time through back-and-forth exchanges.

From The Wall Street Journal • Mar. 18, 2026

Texting is asynchronous, but expectations are for immediate replies.

From The Wall Street Journal • Dec. 28, 2025

Our digital feeds are asynchronous, hindered by advertisements and algorithms that either show us exactly what we want or desperately try to turn us onto something new.

From Salon • May 22, 2025

That type of asynchronous communication can make people feel anxious as they wait for a reply.

From Los Angeles Times • Jul. 16, 2024

If you find no suitable connector, you may have to install an asynchronous communication port in the box.

From The Online World by De Presno, Odd