At rest and Quiescent

At rest

At rest adjective - In a state of repose or especially sleep.

Quiescent is a synonym for at rest in movement topic. In some cases you can use "Quiescent" instead an adjective phrase "At rest", when it comes to topics like calm, motionless, still.

Quiescent

Quiescent adjective - Slow to move or act.

At rest is a synonym for quiescent in inactive topic. You can use "At rest" instead an adjective "Quiescent", if it concerns topics such as movement, still.

Cite this Source
Quiescent and At rest. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/at_rest/quiescent
At rest & Quiescent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/at_rest/quiescent>.
Quiescent or At rest. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/at_rest/quiescent.
Google Ngram Viewer shows how "at rest" and "quiescent" have occurred on timeline