Impinge upon
Make firm and impinge upon are semantically related. In some cases you can use "Make firm" instead a verb "Impinge upon".
Make firm
Impinge upon and make firm are semantically related. Sometimes you can use "Impinge upon" instead a verb phrase "Make firm".
Cite this Source
Make firm and Impinge upon. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/impinge_upon/make_firm
Impinge upon & Make firm. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/impinge_upon/make_firm>.
Make firm or Impinge upon. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/impinge_upon/make_firm.
Google Ngram Viewer shows how "impinge upon" and "make firm" have occurred on timeline