Trying attentively to avoid danger, risk, or error
Her tone was cautious but respectful.
He watched closely, appearing amused and cautious, like a husband watching his wife learn to box.
This invader was very cautious and avoided much of our security.
I wasn't speeding and I'm far too cautious not to have all my lights operating properly.
Charles IV., a cautious sovereign with many cares, was as anxious for the maintenance of peace as Casimir himself.