Nonfunctional and Viable

Opposite meaning words

Nonfunctional adjective - Not being in working order.

Usage example: that gas pump is nonfunctional, which is the reason for the plastic bag over the nozzle

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Viable is an antonym for nonfunctional in unrealistic topic.

Viable adjective - Capable of being done or carried out.

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Nonfunctional is an antonym for viable.

Nearby Word: viability

Cite this Source

Viable and Nonfunctional. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/nonfunctional/viable

Nonfunctional & Viable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/nonfunctional/viable>.

Viable or Nonfunctional. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/nonfunctional/viable.

Google Ngram Viewer shows how "nonfunctional" and "viable" have occurred on timeline