Reasonable and Unsolvable

Opposite meaning words

Reasonable adjective - According to the rules of logic.

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Unsolvable is an antonym for reasonable.

Unsolvable adjective - Incapable of being solved or accomplished.

Usage example: an apparently unsolvable problem

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Reasonable is an antonym for unsolvable.

Cite this Source

Unsolvable and Reasonable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/reasonable/unsolvable

Reasonable & Unsolvable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/reasonable/unsolvable>.

Unsolvable or Reasonable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/reasonable/unsolvable.

Google Ngram Viewer shows how "reasonable" and "unsolvable" have occurred on timeline