13
delicate(adjective, sharp, exact, superior, proper)
13
refined(adjective, sharp, obscure, clean, delicate)
12
conscientious(adjective, careful, thoughtful, sober, honorable)
12
hypercritical(adjective, careful, demanding, meticulous, fussy)
12
strict(adjective, sharp, exact, careful, precise)
10
exact(adjective, smart, careful, slick, scrupulous)
10
neat(adjective, clean, well, uncluttered)
10
nit-picking(adjective, correct, tidy, scrupulous, particular)
10
persnickety(adjective, accept, sharp, fine, delicate)
10
severe(adjective, tough, problematic, trying, disapprobation)
10
thorough(adjective, precise, meticulous, vigilant)
9
prudish(adjective, shy, strict, particular, fussy)
9
rigorous(adjective, thoughtful, precise, sober, honorable)
8
accurate(adjective, smart, sober, neat, slick)
8
fine(adjective, delicate, exact, superior, restrained)
7
discerning(adjective, sharp, superior, precise, sophisticated)
7
hard to please(expression, adjective, idiom, tough, careful)
7
tasteful(adjective, sharp, exact, superior, sophisticated)
7
tidy(adjective, clean)
6
captious(adjective, careful, demanding, meticulous, fussy)
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APASmart Define. (2016). fastidious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fastidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "fastidious thesaurus" https://smartdefine.org/fastidious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fastidious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fastidious/thesaurus/synonyms>.
MLASmart Define. "fastidious thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/fastidious/thesaurus/synonyms>