Certain and Unfixed

Opposite meaning words

Certain adjective - Known but not named.

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Unfixed is an antonym for certain in topics: fixed, confident, undoubtable, referring to a specifically known amount.

Nearby Words: certainty, certainly

Unfixed adjective - Not firmly placed or set or fastened.

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Certain is an antonym for unfixed in topics: ambiguous, doubtful, uncertain, not decided.

Nearby Word: unfixing

Cite this Source

Unfixed and Certain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/certain/unfixed

Certain & Unfixed. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/certain/unfixed>.

Unfixed or Certain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/certain/unfixed.

Google Ngram Viewer shows how "certain" and "unfixed" have occurred on timeline