218 entries under adjective topic. ×

5
hideous(awful, terrible, horrible, afraid)
5
horrid(awful, terrible, horrible, afraid)
5
irksome(severe, difficult, harsh, heavy)
5
onerous(hard, tough, difficult, heavy)
5
parlous(awful, terrible, horrible, afraid)
5
scathing(awful, terrible, horrible, afraid)
5
spine-chilling(awful, terrible, horrible, afraid)
5
very bad(bad, awful, terrible, disgusting)
5
wearing(difficult, awkward, demanding, trying)
5
wrenching
5
wretched(bad, awful, terrible, disgusting)
4
operose(hard, tough, difficult, awkward)
4
punishing
4
burdensome(hard, tough, severe, difficult)
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excruciating
4
agonizing
4
besetting
4
crushing
4
oppressive
4
troublesome(hard, tough, severe, difficult)
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APASmart Define. (2015). grueling thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>