5
systematic
4
attentive(adjective, careful, thoughtful, sober, cautious)
4
choosey
4
correct
4
deliberate(thoughtful, sober, cautious, prudent, wary)
4
faithful(careful, thorough, meticulous, conscientious)
4
over-nice
4
overnice(adjective, delicate, proper, careful, refined)
4
pernickety
4
pernickety orpersnickety
4
prim(adjective, smart, slick, scrupulous, particular)
4
pure(adjective, sharp, clean, delicate, restrained)
4
queasy(adjective, unhappy, careful, sick, weary)
4
religious(adjective, thoughtful, sober, cautious, prudent)
4
rigid(adjective, tough, grim, particular, problematic)
4
sophisticated(superior, advanced)
4
stainless(adjective, clean)
4
subtle(sharp, exact, superior, precise, sophisticated)
4
trim
4
trivial
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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>