Heighten
Heighten verb - To make markedly greater in measure or degree.
Make firm and heighten are semantically related In some cases you can use "Make firm" instead a verb "Heighten".
Nearby Words: height, heightening
Make firm
Mutual synonyms
Cite this Source
Make firm and Heighten. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/heighten/make_firm
Heighten & Make firm. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/heighten/make_firm>.
Make firm or Heighten. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/heighten/make_firm.
Google Ngram Viewer shows how "heighten" and "make firm" have occurred on timeline