1. Attentive to potential danger, error, or harm; cautious: was careful when crossing the busy street; gave a careful answer.
2. Thorough and painstaking in action or execution; conscientious: a careful search; careful art restorers.
3. Protective; solicitous: Be careful of his feelings.
4. Full of cares or anxiety: Thou art careful and troubled about many things(Luke 10:41).
Synonyms: careful, heedful, mindful, observant, watchful These adjectives mean cautiously attentive: was careful not to get her shoes muddy; heedful of the danger; mindful of his health; observant of the patients symptoms; a watchful babysitter. See Also Synonyms at meticulous.