Find Antonyms
synchronous Antonyms
Opposite of synchronous
Because the opposite of synchronous shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Existing, occurring, or operating at the same time or rate.
Usage Example
"The university offers both asynchronous live lectures and self-paced online courses."
Strongest
asynchronous
nonsimultaneous
Strong
sequential
staggered
• adjective (Context 2)
Designating a system, process, or data transmission in which operations are coordinated by a shared clock signal or require real-time execution before the next step can proceed (in computing and telecommunications).
Usage Example
"asynchronous data transfer requires the sender and receiver to operate according to a common timing signal."
Strongest
asynchronous
Similar words to synchronous
Words similar to synchronous shift depending on context. Common synonyms include:
simultaneous
concurrent
synchronized
coincident
contemporaneous
real-time
coeval
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Synchronous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/synchronous