Synonyms|281Antonyms|82|Broader|4Narrower|0Related|1.5k

42 entries under severe topic. ×

1
unyielding(tough, painful, problematic, trying)
1
upstream(tough, painful, problematic, trying)
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APASmart Define. (2013). herculean thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/herculean/thesaurus/synonyms
ChicagoSmart Define. 2013. "herculean thesaurus" https://smartdefine.org/herculean/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, herculean thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/herculean/thesaurus/synonyms>.
MLASmart Define. "herculean thesaurus" 28 June 2013. Web. 1 October 2026. <https://smartdefine.org/herculean/thesaurus/synonyms>