Invalidate
Invalidate verb - To put an end to by formal action.
Prove unsound and invalidate are semantically related. In some cases you can use "Prove unsound" instead a verb "Invalidate".
Prove unsound
Invalidate and prove unsound are semantically related. You can use "Invalidate" instead a verb phrase "Prove unsound".
Cite this Source
Prove unsound and Invalidate. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/invalidate/prove_unsound
Invalidate & Prove unsound. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/invalidate/prove_unsound>.
Prove unsound or Invalidate. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/invalidate/prove_unsound.
Google Ngram Viewer shows how "invalidate" and "prove unsound" have occurred on timeline