108 entries under severe topic. ×

1
backbreaker(tough, painful, problematic, trying)
1
crucial(tough, painful, problematic, weighty)
1
deep(adjective, tough, difficult, important)
1
disagreeable(hard, tender, offensive, raw)
1
discomforting(hard, difficult, offensive, distressing)
1
dismaying(hard, great, tough, difficult)
1
disquieting(hard, offensive, distressing, upsetting)
1
distressing(adjective, hard, rough, difficult)
1
easier said than done(expression, tough, painful, problematic)
1
embarrassing(hard, difficult, offensive, distressing)
1
far-reaching(adjective, tough, important, significant)
1
fateful(adjective, tough, important, significant)
1
galling(tough, harsh, heavy, painful)
1
gargantuan(strong, tough, powerful, painful)
1
gloomy(adjective, hard, offensive, uncertain)
1
grim(tough, problematic, weighty, trying)
1
harassing(hard, offensive, distressing, upsetting)
1
hard-won(tough, painful, problematic, trying)
1
immense(tough, painful, problematic, trying)
1
inconvenient(hard, offensive, distressing, upsetting)
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APASmart Define. (2016). laborious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/laborious/thesaurus/synonyms
ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>