Synonyms|554Antonyms|82|Broader|1Narrower|5Related|175

41 entries under severe topic. ×

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painful(tough, problematic, trying)
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APASmart Define. (2016). challenging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, challenging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>.
MLASmart Define. "challenging thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms>