High maintenance
Unreasonable and high maintenance are semantically related. In some cases you can use "Unreasonable" instead an adjective phrase "High maintenance".
Unreasonable
Unreasonable adjective - Having no basis in reason or fact.
High maintenance and unreasonable are semantically related. You can use "High maintenance" instead an adjective "Unreasonable".
Mutual synonyms
Cite this Source
Unreasonable and High maintenance. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/high_maintenance/unreasonable
High maintenance & Unreasonable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/high_maintenance/unreasonable>.
Unreasonable or High maintenance. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/high_maintenance/unreasonable.
Google Ngram Viewer shows how "high maintenance" and "unreasonable" have occurred on timeline