Invalid and Unaided

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Invalid adjective - Chronically or repeatedly suffering from poor health.

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Unaided and invalid are semantically related. In some cases you can use "Unaided" instead an adjective "Invalid".

Unaided adjective - Carried out without aid or assistance.

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Invalid and unaided are semantically related. Sometimes you can use "Invalid" instead an adjective "Unaided".

Cite this Source

Unaided and Invalid. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/invalid/unaided

Invalid & Unaided. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/invalid/unaided>.

Unaided or Invalid. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/invalid/unaided.

Google Ngram Viewer shows how "invalid" and "unaided" have occurred on timeline