Based and Unsupported

Opposite meaning words

Based adjective - Having a base.

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Unsupported is an antonym for based.

Nearby Words: base, basing

Unsupported adjective - Not held up or borne.

Usage example: removal of the central post left the roof unsupported

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Based is an antonym for unsupported in without substantiation topic.

Cite this Source

Unsupported and Based. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/based/unsupported

Based & Unsupported. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/based/unsupported>.

Unsupported or Based. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/based/unsupported.

Google Ngram Viewer shows how "based" and "unsupported" have occurred on timeline