2
offensive(adjective, painful)
2
problematical(adjective, difficult, awkward, demanding)
2
rough(adjective, hard, tough, difficult, awkward)
2
sapping(trying, exhausting, tiring, wearing)
2
sound
2
strong
2
taxing(adjective, hard, severe, difficult, harsh)
1
tiresome(tough, severe, harsh, heavy, painful)
1
titanic(tough, problematic, trying)
1
tormenting(adjective, painful)
1
unbearable(adjective, painful)
1
wearisome(adjective, hard, tough, difficult, awkward)
1
wearying(adjective, difficult, awkward, demanding, trying)
1
weighty
1
withering(adjective, painful)
1
charnel
1
chilling
1
creepy crawly
1
crumby(adjective, bad, awful, disgusting, hate)
1
crummy(adjective, bad, awful, disgusting, hate)
11 years ago|12k views|share |citing 
APASmart Define. (2015). grueling thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>