Functioning
Functioning adjective - Being in effective operation.
Rapid and functioning are semantically related. In some cases you can use "Rapid" instead an adjective "Functioning".
Rapid
Rapid adjective - Moving, proceeding, or acting with great speed.
Functioning and rapid are semantically related. Sometimes you can use "Functioning" instead an adjective "Rapid".
Cite this Source
Rapid and Functioning. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/functioning/rapid
Functioning & Rapid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/functioning/rapid>.
Rapid or Functioning. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/functioning/rapid.
Google Ngram Viewer shows how "functioning" and "rapid" have occurred on timeline