16 cautious synonyms include careful, wary, aware, heedful, attentive, alert, watchful, vigilant, hypervigilant, and circumspect. Cautious is an adjective, and its antonyms are incautious and reckless. Here are some additional synonyms for "cautious" with example sentences.
16 other ways to say cautious.
Be cautious when crossing the street.
He took a cautious approach today.
I incline more toward a cautious approach.
She was cautious while driving home.
They are cautious about sharing information.