careful

The definition of careful is someone or something that works or thinks in a cautious, thorough or thoughtful way.

(adjective)

A mountain climber who triple checks their safety gear is an example of careful.
A person who is very detailed is an example of careful.
Purposely making very little noise while someone is sleeping is an example of careful.

See careful in Webster's New World College Dictionary

adjective

Origin: ME & OE: see care & -ful

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See careful in American Heritage Dictionary 4

adjective

Attentive to potential danger, error, or harm; cautious: was careful when crossing the busy street; gave a careful answer.
Thorough and painstaking in action or execution; conscientious: a careful search; careful art restorers.
Protective; solicitous: Be careful of his feelings.
Full of cares or anxiety: “Thou art careful and troubled about many things” (Luke 10:41).

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