Synonyms|213Antonyms|17|Broader|0Narrower|1Related|152
1
conscientious
1
critical
1
crucial(tough, severe, painful, problematic, weighty)
1
crushing
1
deep(adjective, tough, severe, difficult, important)
1
eager
1
easier said than done(expression, tough, severe, painful, problematic)
1
far-reaching(adjective, tough, severe, important, significant)
1
fateful(adjective, tough, severe, important, significant)
1
fatiguing(adjective, hard, tough, rough, difficult)
1
galling(tough, severe, painful, problematic, trying)
1
gargantuan(tough, severe, painful, problematic, trying)
1
grim(tough, severe, problematic, weighty, trying)
1
grind
1
hard-earned
1
hard-fought
1
hard-won(tough, severe, painful, problematic, trying)
1
immense(tough, severe, painful, problematic, trying)
1
irritating(tough, severe, painful, problematic, trying)
1
jawbreaking
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APASmart Define. (2015). operose thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/operose/thesaurus/synonyms
ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>