235 entries under adjective topic. ×

4
complex(fancy, exact, involved, busy)
4
detail-oriented
4
earnest(active, careful, regular, serious)
4
hard-working(activity, careful, thorough, exertion)
4
hardworking(difficult, regular, serious, practical)
4
heedful(exact, careful, thorough, scrupulous)
4
painful
4
persevering(thorough, meticulous)
4
picky(precise, thorough, meticulous)
4
tireless
3
deliberate(slow, exact, careful, precise)
3
conscionable(exact, careful, thorough, scrupulous)
3
critical(close, harsh, rigid, honorable)
3
detail oriented(character, behavior, precise, thorough)
3
difficult
3
exhaustive
3
finical
3
hard
3
intent(activity, regular, serious, practical)
3
ironclad(character, behavior, pedant)
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APASmart Define. (2016). painstaking thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/painstaking/thesaurus/synonyms
ChicagoSmart Define. 2016. "painstaking thesaurus" https://smartdefine.org/painstaking/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, painstaking thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/painstaking/thesaurus/synonyms>.
MLASmart Define. "painstaking thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/painstaking/thesaurus/synonyms>