Meaning

adverb without care or concern

adverb without caution or prudence

adverb in a rakish manner

originEtymology tree Proto-Indo-European *ǵeh₂r-der. Proto-Germanic *karō Proto-West Germanic *karu Old English caru Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Old English carlēas Middle English careles English careless Proto-Indo-European *leyg-der. Proto-Germanic…

Etymology from Wiktionary, CC BY-SA 3.0