Synonyms|1kAntonyms|253|Broader|5Narrower|1Related|546

189 entries under severe topic. ×

3
cutting
3
drastic(adjective, harsh, cruel, brutal)
3
fixed(adjective, hard, stiff, rigid)
3
formidable(adjective, hard, tough, rough)
3
heavy(adjective, strong, hard, tough)
3
mean(adjective, tough, rough, difficult)
3
painful(adjective, hard, tough, difficult)
3
pitiless(adjective, hard, tough, harsh)
3
steep(adjective, stringent, drastic)
3
tart
3
toilsome(adjective, hard, tough, rough)
3
uphill(adjective, hard, tough, rough)
2
antagonistic(adjective, tough, harsh, grim)
2
censorious
2
chilly
2
cold(adjective, tough, harsh, cruel)
2
cool(adjective, thoughtful, sober, cautious)
2
excessive(adjective, difficult, harsh, heavy)
2
exorbitant(adjective, stringent, drastic)
2
extravagant(adjective, stringent, drastic)
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ChicagoSmart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rigorous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>.
MLASmart Define. "rigorous thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms>