Help
Help verb - To provide (someone) with what is useful or necessary to achieve an end.
Invalidate is an antonym for help.
Invalidate
Invalidate verb - To put an end to by formal action.
Help is an antonym for invalidate in render null and void topic.
Common collocations
Both words in one sentence
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When the killers of Njal and his family are sued by Njal's friends, the former enlist the help of the famous lawyer Eyjolf Bolverksson, who subsequently continually tries to invalidate the suit on petty technicalities, and eventually succeeds.
Source: Amoral Attorney
Cite this Source
Invalidate and Help. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/help/invalidate
Help & Invalidate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/help/invalidate>.
Invalidate or Help. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/help/invalidate.
Google Ngram Viewer shows how "help" and "invalidate" have occurred on timeline