Asynchronous and Simultaneous

Opposite meaning words

Asynchronous adjective - Not synchronous; not occurring or existing at the same time or having the same period or phase.

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Simultaneous is an antonym for asynchronous in not occurring at the same time topic.

Simultaneous adjective - Existing or occurring at the same period of time.

Usage example: a simultaneous release of the movie and its soundtrack on CD

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Asynchronous is an antonym for simultaneous in happening at about the same time topic.

Cite this Source

Simultaneous and Asynchronous. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/asynchronous/simultaneous

Asynchronous & Simultaneous. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/asynchronous/simultaneous>.

Simultaneous or Asynchronous. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/asynchronous/simultaneous.

Google Ngram Viewer shows how "asynchronous" and "simultaneous" have occurred on timeline