2
drudgery(noun, activity)
2
efficient(adjective, complete, tough, exact, full)
2
harsh
2
industriousness(noun, conscientiousness, assiduousness, thoroughness)
2
inexorable
2
labor(noun, activity)
2
literal(adjective, character, behavior, pedant)
2
meticulousness(noun, care, careful, correctness, precision)
2
notable(adjective, activity)
2
operose
2
orderly(adjective, exact, careful, regular, precise)
2
organized(adjective, exact, careful, regular, precise)
2
pedantic(adjective, character, behavior, pedant)
2
persistent
2
principled(adjective, careful, honorable, reliable, thorough)
2
relentless
2
scrupulousness(noun, care, careful, correctness, precision)
2
steadfast
2
steady
2
studied(adjective, fancy, exact, complex, involved)
10 years ago|13k views|share |citing 
APASmart Define. (2016). painstaking thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/painstaking/thesaurus/synonyms
ChicagoSmart Define. 2016. "painstaking thesaurus" https://smartdefine.org/painstaking/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, painstaking thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/painstaking/thesaurus/synonyms>.
MLASmart Define. "painstaking thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/painstaking/thesaurus/synonyms>