224 entries under severe topic. ×

4
unyielding(adjective, tough, easy, painful)
3
acute
3
astringent
3
bleak(adjective, tough, harsh, cruel)
3
cantankerous(adjective, hard, tough, cross)
3
draconian(adjective, tough, firm, harsh)
3
effortful(adjective, tough, difficult, harsh)
3
firm(adjective, hard, tough, rough)
3
hidebound(adjective, persistent, obstinate, insistent)
3
mean(adjective, hard, rough, difficult)
3
merciless(adjective, hard, tough, rough)
3
nit-picking(adjective, sharp, rough, harsh)
3
pitiless(adjective, hard, tough, harsh)
3
stony(adjective, hard, tough, cruel)
3
troublesome(adjective, hard, tough, difficult)
3
unforgiving(adjective, hard, rough, harsh)
3
unrelenting(adjective, tough, harsh, cruel)
3
uphill(adjective, tough, rough, difficult)
2
acrimonious(adjective, tough, harsh, cross)
2
ambitious(adjective, hard, tough, ability)
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APASmart Define. (2016). exacting thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/exacting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exacting thesaurus" https://smartdefine.org/exacting/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, exacting thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/exacting/thesaurus/synonyms>.
MLASmart Define. "exacting thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/exacting/thesaurus/synonyms>