5
spotless(adjective, feature, characteristic, honor, detail)
5
uncorrupted(adjective, feature, characteristic, honor, detail)
5
undefiled(adjective, feature, characteristic, honor, detail)
5
unsullied(adjective, feature, characteristic, honor, detail)
5
untarnished(adjective, feature, characteristic, honor, detail)
5
venerable(adjective, feature, characteristic, honor, detail)
4
alert(adjective, careful, sober, considerate, aware)
4
certain(adjective, good, strong, reliable, consistent)
4
choosy(adjective, thoughtful, sober, cautious, prudent)
4
complete(adjective, tough, full, careful, thorough)
4
delicate(adjective, truth, fastidious)
4
discriminating(adjective, fastidious)
4
efficient(adjective, work, strain, firmness, labour)
4
honourable
4
literal(adjective, precise, truth, similar, fastidious)
4
persistent
4
persnickety(adjective, thorough, meticulous, fastidious, painstaking)
4
squeamish(adjective, careful, attentive, watchful, fastidious)
4
thoughtful(adjective, deliberate, alert, careful, caring)
4
watchful(adjective, alert, careful, caring, thoughtful)
11 years ago|20k views|share |citing 
APASmart Define. (2015). conscientious thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/conscientious/thesaurus/synonyms
ChicagoSmart Define. 2015. "conscientious thesaurus" https://smartdefine.org/conscientious/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, conscientious thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/conscientious/thesaurus/synonyms>.
MLASmart Define. "conscientious thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/conscientious/thesaurus/synonyms>