86 entries under thorough topic. ×

26
scrupulous(adjective, close, complete, tough, exact)
24
meticulous(adjective, person, close, complete, tough)
21
careful(adjective, close, complete, tough, fancy)
21
punctilious(adjective, careful, precise, meticulous)
17
conscientious(adjective, complete, exact, full, careful)
17
fastidious(adjective, character, behavior, careful, precise)
16
assiduous(adjective, activity, complete, energetic, vigorous)
16
fussy(adjective, complex, careful, steady, precise)
14
perfectionist(adjective, careful, scrupulous)
13
diligent(adjective, activity, difficult, careful, precise)
13
particular(adjective, close, complete, tough, exact)
13
elaborate(adjective, close, complex, precise, involved)
12
exact(adjective, complete, tough, fancy, certain)
12
sedulous(adjective, activity, difficult, energetic, vigorous)
11
exacting(adjective, careful, demanding, particular)
11
precise(adjective, fancy, harsh, exact, certain)
10
industrious(adjective, activity, difficult, energetic, vigorous)
8
finicky(adjective, character, behavior, meticulous)
8
punctual(adjective, characteristic, time, quality, speed)
7
detailed(adjective, close, complete, tough, fancy)
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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>