Synonyms|213Antonyms|17|Broader|0Narrower|1Related|152

62 entries under severe topic. ×

2
herculean(adjective, tough, difficult, awkward)
2
labored(adjective, hard, tough, difficult)
2
mean(adjective, rough, difficult, violent)
2
no picnic(expression, hard, tough, rough)
2
not easy(expression, tough, painful, problematic)
2
rigorous(adjective, hard, tough, rough)
2
titanic(tough, painful, problematic, trying)
1
backbreaker(tough, painful, problematic, trying)
1
bothersome(adjective, tough, rough, difficult)
1
challenging(adjective, tough, difficult, awkward)
1
crucial(tough, painful, problematic, weighty)
1
deep(adjective, tough, difficult, important)
1
easier said than done(expression, tough, painful, problematic)
1
far-reaching(adjective, tough, important, significant)
1
fateful(adjective, tough, important, significant)
1
galling(tough, painful, problematic, trying)
1
gargantuan(tough, painful, problematic, trying)
1
grim(tough, problematic, weighty, trying)
1
hard-won(tough, painful, problematic, trying)
1
immense(tough, painful, problematic, trying)
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ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>