Believable and Nonfunctional
Opposite meaning words
Believable
Believable adjective - Worthy of being accepted as true or reasonable.
Nonfunctional is an antonym for believable.
Nonfunctional
Nonfunctional adjective - Not being in working order.
Cite this Source
Nonfunctional and Believable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/believable/nonfunctional
Believable & Nonfunctional. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/believable/nonfunctional>.
Nonfunctional or Believable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/believable/nonfunctional.
Google Ngram Viewer shows how "believable" and "nonfunctional" have occurred on timeline