Challenging
Challenging adjective - Requiring considerable physical or mental effort.
High maintenance and challenging are semantically related. In some cases you can replace phrase "High maintenance" with "Challenging", this terms are similar.
High maintenance
Challenging and high maintenance are semantically related. You can use "Challenging" instead an adjective phrase "High maintenance".
Cite this Source
High maintenance and Challenging. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/challenging/high_maintenance
Challenging & High maintenance. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/challenging/high_maintenance>.
High maintenance or Challenging. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/challenging/high_maintenance.
Google Ngram Viewer shows how "challenging" and "high maintenance" have occurred on timeline