Invalidate
Invalidate verb - To put an end to by formal action.
Lessen and invalidate are semantically related. In some cases you can use "Lessen" instead a verb "Invalidate".
Lessen
Lessen verb - To make smaller in amount, volume, or extent.
Invalidate and lessen are semantically related. Sometimes you can use "Invalidate" instead a verb "Lessen".
Common collocations
| effect | invalidate effect | lessen effect |
| possibility | invalidate possibility | lessen possibility |
Cite this Source
Lessen and Invalidate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/invalidate/lessen
Invalidate & Lessen. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/invalidate/lessen>.
Lessen or Invalidate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/invalidate/lessen.
Google Ngram Viewer shows how "invalidate" and "lessen" have occurred on timeline