casual insouciant nonchalant
casual%5:00:00:unconcerned:00 insouciant%5:00:00:unconcerned:00 nonchalant%5:00:00:unconcerned:00
brezbrižen malobrižen malomaren nenameren nonšalanten ravnodušen
marked by blithe unconcern
an ability to interest casual students showed a casual disregard for cold weather an utterly insouciant financial policy an elegantly insouciant manner drove his car with nonchalant abandon was polite in a teasing nonchalant manner