9
fastidious(adjective, careful, thorough, scrupulous)
7
punctilious(adjective, careful, thorough, scrupulous)
7
utopian(adjective, perfect, ideal, impossible)
7
perfector(noun, person, behavior, perfection)
5
fussy(adjective, careful, thorough, scrupulous, captious)
5
precise(adjective, careful, thorough, scrupulous, detailed)
4
strict(adjective, careful, thorough, scrupulous, detailed)
3
picky(adjective, careful, thorough, scrupulous)
3
exact(adjective, careful, thorough, scrupulous)
3
finicky(adjective, careful, thorough, scrupulous)
1
perfectibilian(noun, person, archaic, purist)
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APASmart Define. (2016). perfectionist thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perfectionist/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfectionist thesaurus" https://smartdefine.org/perfectionist/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, perfectionist thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perfectionist/thesaurus/synonyms>.
MLASmart Define. "perfectionist thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/perfectionist/thesaurus/synonyms>