Invalid
Invalid adjective - Having no legal or binding force.
Usage example: the treaty is invalid once one side violates it
Void is a synonym for invalid in worthless topic. In some cases you can use "Void" instead the word "Invalid" as an adjective or a noun, when it comes to topics like null and void. popular alternative
Void
Mutual synonyms
Cite this Source
Void and Invalid. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/invalid/void
Invalid & Void. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/invalid/void>.
Void or Invalid. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/invalid/void.
Google Ngram Viewer shows how "invalid" and "void" have occurred on timeline