3
troublesome(adjective, hard, tough, severe, difficult)
3
unforgiving(adjective, hard, severe, rough, harsh)
3
unrelenting(adjective, tough, severe, harsh, cruel)
3
uphill(adjective, tough, severe, rough, difficult)
3
watchful(adjective, cautious, wary, vigilant)
2
absolute
2
acrimonious(adjective, tough, severe, harsh, cross)
2
alert(adjective, thoughtful, sober, cautious, prudent)
2
ambitious(adjective, hard, tough, severe, ability)
2
analytic(adjective, sensitive, intelligent, shrewd, scrupulous)
2
arbitrary
2
arrogant
2
assuming
2
caustic(adjective, severe)
2
caviling(severe, harsh, cross, critical, contrary)
2
challenging(adjective, hard, tough, severe, difficult)
2
choicy(adjective, rough, demanding, fussy, fastidious)
2
claiming
2
clamorous
2
closing
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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>