She has a 'carefree' attitude toward life.
They spent a 'carefree' day at the lake.
(..) You needn't look too far Stealing through the night's uncertainties Love is where they are. And if he falls in love tonight It can be assumed His carefree days with us are hist'ry In short, our pal is doomed Isn't this a great place? It is beautiful... But I don't understand something. (..)1994 The Lion King