Careful to avoid potential problems or dangers. Acting with prudence and avoiding unnecessary risks.
From Latin 'cautus' meaning careful or wary, from 'cavere' (to beware). Related to 'caveat' (warning). Has maintained its meaning of careful wariness for centuries.
Think 'CAUTION-ous' - full of caution! Like a cat carefully testing each step, or how you drive in fog - slow and careful to avoid danger.
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