Concurrent and Simultaneous

Concurrent

Concurrent adjective - Existing or occurring at the same period of time.
Usage example: concurrent expeditions to the Antarctic that were in a race to reach the South Pole

Simultaneous is a synonym for concurrent in accompanying topic. In some cases you can use "Simultaneous" instead an adjective "Concurrent", when it comes to topics like coexisting. 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

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

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