Definition of not have a care in the world
- She acts as if she doesn't have a care in the world.
: suffering of mind : grief
: a disquieted state of mixed uncertainty, apprehension, and responsibility
: a cause for such anxiety
: to feel trouble or anxiety
: to feel interest or concern
: to give care
: the earthly state of human existence
: life after death
: the earth with its inhabitants and all things upon it
: of or relating to the world
: extending or found throughout the world : worldwide
: involving or applying to part of or the whole world
What made you want to look up not have a care in the world? Please tell us where you read or heard it (including the quote, if possible).