1,035 entry under adjective topic. ×

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dire(hard, difficult, complex, painful)
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weighty(hard, tough, difficult, honest)
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acute(strong, great, severe, sharp)
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rigorous(strong, hard, tough, correct)
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nasty(bad, hard, tough, difficult)
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rugged(strong, hard, tough, rough)
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extreme(strong, hard, great, tough)
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punishing(hard, difficult, harsh, complex)
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unbearable(hard, difficult, complex, painful)
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laborious(hard, tough, rough, difficult)
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taxing(hard, tough, difficult, harsh)
26
toilsome(hard, tough, difficult, harsh)
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inflexible(strong, hard, tough, rough)
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grinding(hard, difficult, harsh, pain)
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tight(hard, difficult, complex, rigid)
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biting(verb, mean, strong, cool)
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knotty(hard, difficult, violent, complex)
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stubborn(appearance, strong, hard, tough)
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thorny(hard, difficult, complex, problematic)
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trying(hard, difficult, heavy, complex)
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APASmart Define. (2016). severe thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/severe/thesaurus/synonyms
ChicagoSmart Define. 2016. "severe thesaurus" https://smartdefine.org/severe/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, severe thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/severe/thesaurus/synonyms>.
MLASmart Define. "severe thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/severe/thesaurus/synonyms>