168 entries under thoughtful topic. ×

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exacting(severe, serious, grim, cautious)
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fastidious(cautious, wary, watchful, scrupulous)
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finicky(cautious, wary, watchful, scrupulous)
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fixed(adjective, firm, solid, stable)
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for real(expression, adjective, serious, sincere)
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fussy(cautious, wary, watchful, scrupulous)
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going to great lengths(expression, idiom, cautious, wary)
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heedful(cautious, wary, watchful, scrupulous)
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leery(cautious, wary, watchful, scrupulous)
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mean business(expression, adjective, serious, sincere)
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meticulous(cautious, wary, watchful, scrupulous)
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mindful(cautious, wary, watchful, scrupulous)
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no-fooling(adjective, serious, sincere, solemn)
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observant(cautious, wary, watchful, scrupulous)
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particular(cautious, wary, watchful, scrupulous)
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peaceful dull(expression, adjective, somber, solemn)
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playing hard ball(expression, adjective, idiom, serious)
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playing safe(expression, cautious, wary, watchful)
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protective(cautious, wary, watchful, scrupulous)
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punctilious(cautious, wary, watchful, scrupulous)
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APASmart Define. (2015). sober thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sober/thesaurus/synonyms
ChicagoSmart Define. 2015. "sober thesaurus" https://smartdefine.org/sober/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, sober thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sober/thesaurus/synonyms>.
MLASmart Define. "sober thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/sober/thesaurus/synonyms>