Meaning

adjective free of trouble and worry and care

adjective cheerfully irresponsible

originEtymology tree Proto-Indo-European *ǵeh₂r-der. Proto-Germanic *karō Proto-West Germanic *karu Old English caru Middle English care English care Proto-Indo-European *preyH- Proto-Indo-European *-ós Proto-Indo-European *priHós Proto-Germanic *frijaz Proto-West Germanic *frī Proto-West Germanic *-frī Old English -frēo Middle English -fre English -free English carefree From care + -free.

Etymology from Wiktionary, CC BY-SA 3.0