Functional and Vain

Functional

Functional adjective - Being in effective operation.

Vain is an antonym for functional.

Vain

Vain adjective - Producing no results.
Usage example: all their efforts to escape proved vain

Functional is an antonym for vain.

Nearby Words: vainly, vainness
Cite this Source
Vain and Functional. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/functional/vain
Functional & Vain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/functional/vain>.
Vain or Functional. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/functional/vain.
Google Ngram Viewer shows how "functional" and "vain" have occurred on timeline