Synchronous and Simultaneous

Synchronous

Synchronous adjective - Occurring or existing at the same time or having the same period or phase.
Usage example: synchronous oscillations

Simultaneous is a synonym for synchronous in occurring or existing at same time topic. In some cases you can use "Simultaneous" instead an adjective "Synchronous". popular alternative

Simultaneous

Simultaneous adjective - Existing or occurring at the same period of time.
Usage example: a simultaneous release of the movie and its soundtrack on CD

Synchronous is a synonym for simultaneous in concurrent topic. You can use "Synchronous" instead the word "Simultaneous" as an adjective or a noun, if it concerns topics such as coinciding, happening at about the same time. popular alternative

Nearby Words: simultaneously, simultaneity
Cite this Source
Simultaneous and Synchronous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/synchronous/simultaneous
Synchronous & Simultaneous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/synchronous/simultaneous>.
Simultaneous or Synchronous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/synchronous/simultaneous.
Google Ngram Viewer shows how "synchronous" and "simultaneous" have occurred on timeline