6
decorous(adjective, good, correct, appropriate, suitable)
6
discriminating(adjective, correct, solid, exact, superior)
6
heedful(adjective, careful, thorough, meticulous, painstaking)
6
minute(adjective, close, exact, precise, honorable)
6
observant(adjective, careful, thoughtful, sober, prudent)
6
severe(adjective, close, hard, correct, rough)
6
stiff(adjective, hard, correct, severe, rough)
5
cautious(adjective, careful, prudent, wary, thorough)
5
choosy(adjective, thoughtful, sober, scrupulous, meticulous)
5
circumspect(adjective, careful, thoughtful, sober, moral)
5
conscionable(adjective, careful, thorough, meticulous, painstaking)
5
dainty(adjective, demanding, particular, meticulous, fussy)
5
dutiful(adjective, good, moral, upright, virtuous)
5
perfectionist(adjective, careful, thorough, scrupulous)
5
polite(adjective, good, correct, superior, modest)
5
prudish(adjective, tough, correct, severe, firm)
5
religious(adjective, sound, right, proper, accepted)
5
true(adjective, sound, correct, right, honest)
4
difficult(adjective, demanding, particular, meticulous, fussy)
4
elaborate(adjective, precise, thorough, meticulous)
10 years ago|10k views|share |citing 
APASmart Define. (2016). punctilious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/punctilious/thesaurus/synonyms
ChicagoSmart Define. 2016. "punctilious thesaurus" https://smartdefine.org/punctilious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, punctilious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/punctilious/thesaurus/synonyms>.
MLASmart Define. "punctilious thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/punctilious/thesaurus/synonyms>