Definition of careful
2 : exercising or taking care
3 a : marked by attentive concern and solicitude b : marked by wary caution or prudence <be very careful with knives> c : marked by painstaking effort to avoid errors or omissions —often used with of or an infinitive <careful of money> <careful to adjust the machine>
carefullyplay \-f(ə-)lē\ adverb
carefulnessplay \-fəl-nəs\ noun
Examples of careful in a sentence
He is a careful driver.
You can never be too careful about these things.
Be careful! The stove is hot!
She was careful of their feelings.
The police were careful to leave the room exactly as they found it.
Police made a careful examination of the scene.
They produced a careful study of the building.
Before 12th Century
First Known Use of careful
before 12th century
Synonym Discussion of careful
CAREFUL Defined for English Language Learners
Definition of careful for English Language Learners
: using care
: made, done, or said with care
CAREFUL Defined for Kids
Definition of careful for Students
1 : using care <a careful driver>
2 : made, done, or said with care <careful planning> <She gave a careful answer.>
Seen and Heard
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