Synonyms|679Antonyms|135|Broader|7Narrower|8Related|331

69 entries under severe topic. ×

1
herculean(tough, painful, problematic, trying)
1
irritating(tough, painful, problematic, trying)
1
labored(tough, painful, problematic, trying)
1
laborious(tough, painful, problematic, weighty)
1
no picnic(expression, tough, painful, problematic)
1
not easy(expression, tough, painful, problematic)
1
onerous(tough, painful, problematic, trying)
1
operose(tough, painful, problematic, weighty)
1
playing hard ball(expression, idiom, great, heavy)
1
problem(tough, painful, problematic, trying)
1
problematic(tough, painful, trying)
1
prohibitive(tough, painful, problematic, trying)
1
rigid(tough, painful, problematic, trying)
1
stiff(tough, painful, problematic, trying)
1
strenuous(tough, painful, problematic, weighty)
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strictly business(expression, great, heavy, weighty)
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toilsome(tough, painful, problematic, trying)
1
tough(painful, problematic, weighty, trying)
1
trying(tough, painful, problematic)
1
ugly(adjective, tough, heavy, important)
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APASmart Define. (2016). crucial thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms
ChicagoSmart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, crucial thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>.
MLASmart Define. "crucial thesaurus" 11 March 2016. Web. 30 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms>