5
sharp(adjective, keen, sensible, careful, wise)
5
tactful(adjective, kind, reasonable, sensible, delicate)
4
awake(adjective, tactful, circumspect)
4
defensive(adjective, alert, careful, attentive, protective)
4
diffident(quiet, gentle, uncertain, aloof, peaceful)
4
diligent(adjective, attentive, vigilant)
4
diplomatic(adjective, kind, reasonable, sensible, delicate)
4
far-sighted(adjective, sensible, careful, wise, practical)
4
foresighted(adjective, careful, wise, refined, tight)
4
fussy(adjective, careful, wary, thorough, watchful)
4
middle-of-the-road(adjective, calm, soft, reasonable, moderate)
4
prepared(adjective, care, alert, careful, wise)
4
reserved(adjective, calm, soft, reasonable, gentle)
4
restrained(adjective, reasonable, sensible, alert, modest)
4
sagacious(adjective, sensible, wise, shrewd, clever)
4
sage(adjective, sensible, careful, wise, practical)
4
sensible(adjective, reasonable, restrained, modest, careful)
4
strict(adjective, careful, tense, uneasy, thorough)
4
uncertain(adjective, hesitant, unenthusiastic, unwilling, disinclined)
4
uneasy(adjective, tense, suspicious, wary, bothered)
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APASmart Define. (2016). cautious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cautious/thesaurus/synonyms
ChicagoSmart Define. 2016. "cautious thesaurus" https://smartdefine.org/cautious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, cautious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cautious/thesaurus/synonyms>.
MLASmart Define. "cautious thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/cautious/thesaurus/synonyms>