Nonfictional and Undocumented

Opposite meaning words

Nonfictional adjective - Restricted to or based on fact.

Usage example: a nonfictional account of a disastrous ascent of Mount Everest

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Undocumented is an antonym for nonfictional.

Undocumented adjective - Lacking necessary documents (as for e.g. permission to live or work in a country).

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Nonfictional is an antonym for undocumented.

Cite this Source

Undocumented and Nonfictional. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/nonfictional/undocumented

Nonfictional & Undocumented. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/nonfictional/undocumented>.

Undocumented or Nonfictional. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/nonfictional/undocumented.

Google Ngram Viewer shows how "nonfictional" and "undocumented" have occurred on timeline