224 entries under severe topic. ×

10
strenuous(adjective, dull, tough, rough)
10
stringent(adjective, hard, tough, rough)
9
arduous(adjective, dull, hard, tough)
9
taxing(adjective, hard, tough, rough)
8
austere(adjective, hard, tough, rough)
8
burdensome(adjective, dull, hard, tough)
8
hypercritical(adjective, cross, contrary, discontent)
7
censorious(adjective, harsh, cross, critical)
7
onerous(adjective, dull, hard, tough)
7
relentless(adjective, persistent, severity, obstinate)
7
stiff(adjective, hard, tough, rough)
7
trying(adjective, dull, hard, tough)
6
dour(adjective, tough, firm, harsh)
6
grim(adjective, tough, firm, harsh)
6
keen(adjective, sensitive, intelligent, shrewd)
6
prudish(adjective, tough, firm, harsh)
6
unbending(adjective, demanding)
6
unfeeling(adjective, tough, harsh, cruel)
6
unsparing(adjective, tough, rough, firm)
6
weighty(adjective, hard, difficult, harsh)
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APASmart Define. (2016). exacting thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/exacting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exacting thesaurus" https://smartdefine.org/exacting/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, exacting thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/exacting/thesaurus/synonyms>.
MLASmart Define. "exacting thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/exacting/thesaurus/synonyms>