55
careful(adjective, calm, kind, soft, reasonable)
43
prudent(adjective, action, kind, smart, care)
42
wary(adjective, kind, reasonable, keen, smart)
40
watchful(adjective, adverb, keen, smart, sensible)
33
circumspect(adjective, kind, reasonable, keen, smart)
28
vigilant(adjective, sensible, restrained, alert, careful)
27
heedful(adjective, adverb, kind, reasonable, care)
25
alert(adjective, adverb, keen, care, sensible)
24
observant(adjective, adverb, kind, keen, sensible)
22
guarded(adjective, moderate, keen, sensible, delicate)
20
attentive(adjective, kind, keen, sensible, restrained)
20
chary(adjective, reasonable, sensible, delicate, restrained)
20
mindful(adjective, adverb, kind, alert, careful)
18
discreet(adjective, kind, reasonable, smart, sensible)
18
shy(adjective, close, quiet, gentle, mild)
17
provident(adjective, care, sensible, alert, careful)
16
thoughtful(adjective, kind, care, sensible, delicate)
15
judicious(adjective, calm, soft, reasonable, gentle)
15
canny(adjective, kind, smart, sensible, restrained)
15
safe(adjective, reasonable, sensible, delicate, restrained)
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APASmart Define. (2016). cautious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/cautious/thesaurus/synonyms
ChicagoSmart Define. 2016. "cautious thesaurus" https://smartdefine.org/cautious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, cautious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/cautious/thesaurus/synonyms>.
MLASmart Define. "cautious thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/cautious/thesaurus/synonyms>