4
unyielding(adjective, tough, easy, severe, painful)
3
acute(adjective, severe)
3
astringent(adjective, severe)
3
backbreaking(adjective, hard, difficult, harsh, heavy)
3
bleak(adjective, tough, severe, harsh, cruel)
3
busy
3
cantankerous(adjective, hard, tough, severe, cross)
3
compelling
3
complicated(adjective, tough, rough, difficult, heavy)
3
conscionable(adjective, thorough, meticulous, painstaking)
3
crying
3
dictatorial
3
discriminative
3
draconian(adjective, tough, severe, firm, harsh)
3
earnest(adjective, thorough, meticulous, painstaking)
3
effortful(adjective, tough, severe, difficult, harsh)
3
fine
3
firm(adjective, hard, tough, severe, rough)
3
guarded(adjective, thoughtful, sober, cautious, prudent)
3
hard-working(adjective, thorough, meticulous, painstaking)
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APASmart Define. (2016). exacting thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/exacting/thesaurus/synonyms
ChicagoSmart Define. 2016. "exacting thesaurus" https://smartdefine.org/exacting/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, exacting thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/exacting/thesaurus/synonyms>.
MLASmart Define. "exacting thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/exacting/thesaurus/synonyms>