What does "not a care in the world" mean?
"Not a care in the world" is a common phrase that means to be extremely relaxed and to have no worries whatsoever. It is a phrase that is used when someone is calm and relaxed. Ex: When I'm on vacation, I don't have a care in the world! Ex: He doesn't have a care in the world. Ex: Even though this is very stressful, she does not have a care in the world.
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