Concentrate
Concentrate verb - To increase the amount of (a substance in a mixture) by removing other substances.
Make difficult and concentrate are semantically related. In some cases you can use "Make difficult" instead a verb "Concentrate".
Make difficult
Concentrate and make difficult are semantically related. Sometimes you can use "Concentrate" instead a verb phrase "Make difficult".
Mutual synonyms
Cite this Source
Make difficult and Concentrate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/concentrate/make_difficult
Concentrate & Make difficult. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/concentrate/make_difficult>.
Make difficult or Concentrate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/concentrate/make_difficult.
Google Ngram Viewer shows how "concentrate" and "make difficult" have occurred on timeline