Find Antonyms
asynchronous Antonyms
Opposite of asynchronous
Because the opposite of asynchronous shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Not existing or occurring at the same time; not coinciding in phase or period.
Usage Example
"The university offers synchronous online courses so that working professionals can watch lectures on their own schedules."
Strongest
synchronous
simultaneous
concurrent
Strong
coincident
contemporaneous
• adjective (Context 2)
Of or relating to computer operations or data transmissions that execute independently of the main program flow or without a shared clock signal, allowing other tasks to proceed before the current operation completes.
Usage Example
"Using synchronous requests allows the web application to fetch data from the server without freezing the user interface."
Strongest
synchronous
Strong
real-time
Similar words to asynchronous
Words similar to asynchronous shift depending on context. Common synonyms include:
nonsimultaneous
nonconcurrent
non-blocking
staggered
uncoordinated
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Asynchronous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/asynchronous