Invalid and Untrue

Similar meaning words

Invalid adjective - Not being in agreement with what is true.

Usage example: that's an invalid assumption on your part

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Untrue is a synonym for invalid in worthless topic. In some cases you can use "Untrue" instead an adjective "Invalid", when it comes to topics like false, null and void, unfounded.

Untrue adjective - Not being in agreement with what is true.

Usage example: “the sky is purple” is an untrue statement

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Invalid is a synonym for untrue. You can use "Invalid" instead the word "Untrue" as an adjective or a noun.

Nearby Words: untruth, untruly

Cite this Source

Untrue and Invalid. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/invalid/untrue

Invalid & Untrue. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/invalid/untrue>.

Untrue or Invalid. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/invalid/untrue.

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