Definition of common sense
- She's very smart but doesn't have a lot of common sense.
- rely on common sense for personal safety
You really should go to see a doctor if your leg hurts that much. It's just common sense!
Obey the laws and use common sense when operating your boat.
She's very smart but she doesn't have a lot of common sense.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'common sense.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: the ability to think and behave in a reasonable way and to make good decisions
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