Extend
Extend verb - To make longer.
Make difficult and extend are semantically related. In some cases you can use "Make difficult" instead a verb "Extend".
Make difficult
Extend and make difficult are semantically related. Sometimes you can use "Extend" instead a verb phrase "Make difficult".
Cite this Source
Make difficult and Extend. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extend/make_difficult
Extend & Make difficult. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extend/make_difficult>.
Make difficult or Extend. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extend/make_difficult.
Google Ngram Viewer shows how "extend" and "make difficult" have occurred on timeline