Functioning
Functioning adjective - Being in effective operation.
Vital and functioning are semantically related. In some cases you can use "Vital" instead an adjective "Functioning".
Vital
Vital adjective - Having active strength of body or mind.
Functioning and vital are semantically related. Sometimes you can use "Functioning" instead an adjective "Vital".
Both words in one sentence
- In the Bartimaeus Trilogy, the most vital part to a Golem's functioning is a magical scroll inserted into the construct's mouth.
Source: Cast from Hit Points - In this issue, they discuss their dissatisfaction with their minor roles, adopt a dog, and are repeatedly assured by other characters that they're vital to the team's functioning.
- He has to find some way to secure a generator to keep vital equipment at the hospital functioning.
Source: Series / The Glades
Cite this Source
Vital and Functioning. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/functioning/vital
Functioning & Vital. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/functioning/vital>.
Vital or Functioning. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/functioning/vital.
Google Ngram Viewer shows how "functioning" and "vital" have occurred on timeline