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English definition of “careful”

careful

adjective    /ˈkeər·fəl/
giving attention to something in order to avoid esp. an accident or problem: Norman is a careful driver. Give my suggestion careful consideration. [+ question word] He’s in a really bad mood so be careful what you say to him. [+ question word] Be careful where you put that hot pan. [+ to infinitive] Be careful to look both ways when you cross the street.
(Definition of careful adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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