unconcern russian
беспе́чно
light-heartedly, with complete unconcern
безуча́стие
apathy, indifference, unconcern
благоду́шествовавший
complacent, unconcerned, good-natured
начиха́вший
indifferent, apathetic, careless, unconcerned
начха́вший
indifferent, uncaring, dismissive, unconcerned


















