Harden
Harden verb - To become physically firm or solid.
Make difficult and harden are semantically related. In some cases you can use "Make difficult" instead a verb "Harden".
Make difficult
Harden and make difficult are semantically related. Sometimes you can use "Harden" instead a verb phrase "Make difficult".
Mutual synonyms
Related pairs
- temper and harden
- temper and make difficult
- close and harden
- close and make difficult
- season and harden
- season and make difficult
- develop and harden
- develop and make difficult
- strengthen and harden
- strengthen and make difficult
- anneal and harden
- anneal and make difficult
- acclimate and harden
- acclimate and make difficult
Cite this Source
Make difficult and Harden. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/harden/make_difficult
Harden & Make difficult. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/harden/make_difficult>.
Make difficult or Harden. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/harden/make_difficult.
Google Ngram Viewer shows how "harden" and "make difficult" have occurred on timeline