Definition of careful
- careful of a child's welfare
- careful farm management
- be very careful with knives
- careful of money
- careful to adjust the machine
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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'careful.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: using care
: made, done, or said with care
What made you want to look up careful? Please tell us where you read or heard it (including the quote, if possible).
investment of mental or emotional energy
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