460 entries under adjective topic. ×

3
merciless(hard, tough, severe, rough)
3
nit-picking(severe, sharp, rough, harsh)
3
pernickety
3
persistent(obstinate, insistent, dogged)
3
pitiless(hard, tough, severe, harsh)
3
priggish
3
proper
3
prudent(thoughtful, sober, cautious, wary)
3
querulous
3
sedulous(thorough, meticulous, painstaking)
3
stony(hard, tough, severe, cruel)
3
thoroughgoing(thorough, meticulous, painstaking)
3
troublesome(hard, tough, severe, difficult)
3
unforgiving(hard, severe, rough, harsh)
3
unrelenting(tough, severe, harsh, cruel)
3
uphill(tough, severe, rough, difficult)
3
watchful(cautious, wary, vigilant)
2
acrimonious(tough, severe, harsh, cross)
2
alert(thoughtful, sober, cautious, prudent)
2
ambitious(hard, tough, severe, 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>