Intense
Laborious
Laborious adjective - Involved in often constant activity.
Mutual synonyms
Related pairs
Cite this Source
Laborious and Intense. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/intense/laborious
Intense & Laborious. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/intense/laborious>.
Laborious or Intense. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/intense/laborious.
Google Ngram Viewer shows how "intense" and "laborious" have occurred on timeline