Indeterminable and Sure

Opposite meaning words

Indeterminable adjective - Not capable of being definitely decided or ascertained.

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Sure is an antonym for indeterminable in ambiguous topic.

Nearby Word: indeterminate

Sure adjective - Having or showing a mind free from doubt.

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Indeterminable is an antonym for sure.

Nearby Word: surely

Cite this Source

Sure and Indeterminable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/indeterminable/sure

Indeterminable & Sure. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/indeterminable/sure>.

Sure or Indeterminable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/indeterminable/sure.

Google Ngram Viewer shows how "indeterminable" and "sure" have occurred on timeline