170 entries under severe topic. ×

1
concentrated(strong, tough, fit, intense)
1
confining(adjective, harsh, stiff, rigid)
1
convincing(adjective, harsh, stiff, rigid)
1
creaking(adjective, hard, sharp, flat)
1
desperate(adjective, hard, harsh, passionate)
1
disagreeing(adjective, hard, sharp, flat)
1
disciplinary(adjective, strong, hard, tough)
1
dyed-in-the-wool(adjective, strong, hard, tough)
1
earsplitting(adjective, hard, sharp, flat)
1
forceful(adjective, strong, tough, harsh)
1
hang-tough(adjective, strong, hard, tough)
1
hard-shell(adjective, strong, hard, tough)
1
hard-shelled(adjective, hard, tough, harsh)
1
hardheaded(adjective, strong, hard, tough)
1
headstrong(adjective, hard, tough, harsh)
1
implacable(adjective, strong, hard, tough)
1
incompatible(adjective, hard, sharp, flat)
1
inexorable(adjective, strong, hard, tough)
1
iron-fisted(adjective, harsh, stiff, rigid)
1
ironclad(adjective, harsh, stiff, rigid)
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APASmart Define. (2016). rough thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rough/thesaurus/synonyms
ChicagoSmart Define. 2016. "rough thesaurus" https://smartdefine.org/rough/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, rough thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rough/thesaurus/synonyms>.
MLASmart Define. "rough thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/rough/thesaurus/synonyms>