2
tense(adjective, uneasy, bothered)
2
timorous
2
troubled(adjective, tense, uneasy, bothered)
2
uncommunicative(quiet, gentle, aloof, peaceful, reserved)
2
undaring(moderate, conventional, timid, traditional, conformist)
2
uptight(adjective, nervous, tense, suspicious, uneasy)
2
wide-awake(adjective, keen, alert, careful, considerate)
2
wide awake(expression, adjective, idiom)
2
wily(smart, shrewd, clever, subtle, sneaky)
1
Argus-eyed
1
Tory(moderate, conventional, timid, traditional, conformist)
1
absorbed(adjective, attentive)
1
accurate(sensible, careful, wise, refined, shrewd)
1
acute(keen, careful, wise, shrewd, clever)
1
adroit(smart, sensitive, shrewd, clever, subtle)
1
advertent
1
advised(adjective, careful, thoughtful, planned, prudent)
1
aforethought(adjective, careful, thoughtful, planned, prudent)
1
agog(keen, alert, careful, attentive, watchful)
1
alive
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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>