Hellacious
Hellacious adjective - Requiring considerable physical or mental effort.
Usage example: the pioneers survived a particularly hellacious river crossing with their covered wagon barely in one piece
Tricky and hellacious are semantically related. In some cases you can use "Tricky" instead an adjective "Hellacious".
Tricky
Tricky adjective - Requiring exceptional skill or caution in performance or handling.
Hellacious and tricky are semantically related. Sometimes you can use "Hellacious" instead an adjective "Tricky".
Cite this Source
Tricky and Hellacious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hellacious/tricky
Hellacious & Tricky. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hellacious/tricky>.
Tricky or Hellacious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hellacious/tricky.
Google Ngram Viewer shows how "hellacious" and "tricky" have occurred on timeline