81 entries under painstaking topic. ×

9
leery(adjective, restrained, cautious, prudent, suspicious)
8
conservative(adjective, calm, soft, reasonable, gentle)
8
protective(adjective, caring, cautious, wary, watchful)
8
regardful(adjective, kind, alert, caring, loving)
7
apprehensive(adjective, upset, kind, excited, anxious)
7
earnest(adjective, thorough, meticulous)
7
sedulous(adjective, thorough, meticulous)
6
faithful(noun, good, strong, correct, honest)
6
industrious(adjective, thoughtful, serious, reliable, thorough)
6
sober(adjective, calm, soft, reasonable, gentle)
5
cool(adjective, calm, soft, reasonable, gentle)
5
just(adjective, correct, sensible, solid, exact)
5
persnickety(adjective, sharp, fine, harsh, proper)
5
picky(adjective, sharp, fine, harsh, proper)
5
responsible(adjective, good, strong, solid, true)
4
ceremonious(adjective, proper, scrupulous, fastidious)
4
conscionable(adjective, thorough, meticulous)
4
persevering(adjective, thorough, meticulous)
4
prim(adjective, cautious, wary, watchful, fastidious)
4
religious(adjective, cautious, wary, watchful)
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APASmart Define. (2016). careful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/careful/thesaurus/synonyms
ChicagoSmart Define. 2016. "careful thesaurus" https://smartdefine.org/careful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, careful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/careful/thesaurus/synonyms>.
MLASmart Define. "careful thesaurus" 24 January 2016. Web. 30 September 2026. <https://smartdefine.org/careful/thesaurus/synonyms>