Determinate and Unstable

Opposite meaning words

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

Usage example: a determinate order of succession to the throne

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Unstable is an antonym for determinate.

Nearby Words: determined, determination, determinant, determinative, determinating

Unstable adjective - Not being in or able to maintain a state of balance.

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Determinate is an antonym for unstable.

Nearby Word: unstably

Cite this Source

Unstable and Determinate. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/determinate/unstable

Determinate & Unstable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/determinate/unstable>.

Unstable or Determinate. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/determinate/unstable.

Google Ngram Viewer shows how "determinate" and "unstable" have occurred on timeline