What does asynchronously mean?
"Asynchronously" is an adverb describing actions, processes, or events that occur independently of each other's timing rather than in step. In computing, it refers to operations that proceed without blocking others — a program can fetch data asynchronously and continue running while it waits, which keeps applications fast and responsive. The same idea has spread into everyday work culture, where teams spread across time zones are said to collaborate asynchronously, communicating through written updates instead of live meetings. The word carries a neutral-to-positive connotation of efficiency and flexibility: things happen when each is ready, not all at once. Its opposite is "synchronously," meaning at the same time or in coordination. Derived from Greek roots meaning "not at the same time," it is indispensable vocabulary for anyone discussing modern software, networking, or distributed teamwork.
adverbIn a way that does not occur at the same time or rate as something else; without synchronous timing or coordination between events.
- (Of processes, communication, or events) occurring independently of one another's timing, without shared clocking or simultaneous occurrence.
"The two servers communicate asynchronously, so a delay in one does not stall the other."
"The application loads images asynchronously so users can start reading before everything appears."
"The team works asynchronously across time zones, relying on written updates rather than meetings."
Every time you send a message and keep working instead of waiting for a reply, you're living asynchronously — the word that powers modern computing.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of asynchronously
The word derives from Greek roots: "a-" (not), "chronos" (time), giving "asynchronous," literally "not existing or occurring at the same time." The adjective asynchronous was formed in English in the 19th century on the model of "synchronous," itself borrowed via Latin from Greek. The adverb form follows standard English derivation. Cognates sharing the chronos root include chronology, chronic, and synchronize.
Related word forms
How asynchronously is actually used
Predominantly technical register — computing, telecommunications, and engineering — though increasingly used in workplace language to describe remote collaboration across time zones.
Easily confused with asynchronously
Anachronistically means placed in the wrong historical time period, while asynchronously simply means events are not timed together.
Instantaneously means happening instantly, whereas asynchronously implies deliberate separation in timing.