5
difficult(adjective, harsh, rigid, particular, meticulous)
5
scrupulous(adjective, thorough, meticulous, fastidious, painstaking)
5
snot-nosed
5
uppish(adjective, informal, snobbish)
4
pernickety
4
conscientious(adjective, thorough, meticulous, fastidious, painstaking)
4
demanding(adjective, harsh, critical, thorough, particular)
4
diligent(adjective, thorough, meticulous, fastidious, painstaking)
4
mincing(adjective, fastidious)
4
precious(adjective, delicate, informal, proper, sophisticated)
3
aristocratic
3
conscionable(adjective, thorough, meticulous, painstaking)
3
critical(adjective, sharp, fine, proper, precise)
3
discriminating(adjective, sharp, fine, proper, precise)
3
exact(adjective, thorough, meticulous, painstaking)
3
heedful(adjective, thorough, meticulous, painstaking)
3
hypercritical(adjective, harsh, rigid, strict, meticulous)
3
painstaking(adjective, harsh, informal, careful, thorough)
3
precise(adjective, informal, careful, tidy, minute)
3
prissy(adjective, particular, fussy)
10 years ago|5.1k views|share |citing 
APASmart Define. (2016). persnickety thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/persnickety/thesaurus/synonyms
ChicagoSmart Define. 2016. "persnickety thesaurus" https://smartdefine.org/persnickety/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, persnickety thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/persnickety/thesaurus/synonyms>.
MLASmart Define. "persnickety thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/persnickety/thesaurus/synonyms>