Fixed and Undetermined

Opposite meaning words

Fixed adjective - Having been established and usually not subject to change.

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Undetermined is an antonym for fixed.

Nearby Words: fix, fixing, fixedly, fixation, fixer

Undetermined adjective - Not precisely determined or established; not fixed or known in advance.

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Fixed is an antonym for undetermined.

Nearby Word: undeterminable

Cite this Source

Undetermined and Fixed. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fixed/undetermined

Fixed & Undetermined. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fixed/undetermined>.

Undetermined or Fixed. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fixed/undetermined.

Google Ngram Viewer shows how "fixed" and "undetermined" have occurred on timeline