Make firm and Undermine
Opposite meaning terms
Make firm
Undermine
Cite this Source
Undermine and Make firm. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/make_firm/undermine
Make firm & Undermine. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/make_firm/undermine>.
Undermine or Make firm. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/make_firm/undermine.
Google Ngram Viewer shows how "make firm" and "undermine" have occurred on timeline