Invalid and Pinheaded

Related words

Invalid adjective - Chronically or repeatedly suffering from poor health.

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

Pinheaded adjective - Not having or showing an ability to absorb ideas readily.

Usage example: pinheaded leadership that got us into this mess

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Invalid and pinheaded are semantically related. Sometimes you can use "Invalid" instead an adjective "Pinheaded".

Cite this Source

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

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

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

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