Boring
Grueling
Grueling adjective - Requiring considerable physical or mental effort.
Mutual synonyms
Related pairs
Both words in one sentence
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In addition to some grueling-but-expected training, it included having to watch a horribly boring training video about traffic safety for several hours without falling asleep.
Source: Training from Hell -
Boring Return Journey: After a large ordeal helping Lucy Walker climb the Matterhorn, Peabody is in no shape for the equally grueling trip back down, and simply calls the WABAC to take everyone down.
Cite this Source
Grueling and Boring. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/boring/grueling
Boring & Grueling. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/boring/grueling>.
Grueling or Boring. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/boring/grueling.
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