Pest
Pest noun - A widespread disease resulting in a high rate of death.
Thorny problem and pest are semantically related. In some cases you can use "Thorny problem" instead a noun "Pest".
Thorny problem
Pest and thorny problem are semantically related. Sometimes you can use "Pest" instead a noun phrase "Thorny problem".
Mutual synonyms
Related pairs
Cite this Source
Thorny problem and Pest. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/pest/thorny_problem
Pest & Thorny problem. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/pest/thorny_problem>.
Thorny problem or Pest. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/pest/thorny_problem.
Google Ngram Viewer shows how "pest" and "thorny problem" have occurred on timeline