76 entries under severe topic. ×

2
distressing(adjective, hard, rough, difficult)
2
hairy(adjective, hard, tough, rough)
2
irksome(adjective, hard, difficulty, rough)
2
no picnic(hard, tough, difficult, painful)
2
titanic(tough, painful, problematic, trying)
1
backbreaker(tough, painful, problematic, trying)
1
consequential(hard, offensive, distressing, upsetting)
1
crucial(tough, painful, problematic, trying)
1
dismaying(hard, great, tough, difficult)
1
disquieting(adjective, hard, offensive, distressing)
1
easier said than done(expression, tough, painful, problematic)
1
galling(tough, harsh, heavy, painful)
1
gargantuan(tough, painful, problematic, trying)
1
hard-won(tough, painful, problematic, trying)
1
immense(tough, painful, problematic, trying)
1
irritating(hard, tough, offensive, painful)
1
merciless(adjective, tough, rough, difficult)
1
perplexing(hard, offensive, distressing, upsetting)
1
problem(tough, painful, problematic, trying)
1
prohibitive(tough, painful, problematic, trying)
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APASmart Define. (2015). toilsome thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/toilsome/thesaurus/synonyms
ChicagoSmart Define. 2015. "toilsome thesaurus" https://smartdefine.org/toilsome/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, toilsome thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/toilsome/thesaurus/synonyms>.
MLASmart Define. "toilsome thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/toilsome/thesaurus/synonyms>