not have a care in the world
idiom
: to have no worries at all
She acts as if she doesn't have a care in the world.
Cite this Entry
“Not have a care in the world.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20have%20a%20care%20in%20the%20world. Accessed 31 Oct. 2025.
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