unconcerned russian
благоду́шествовавший
complacent, unconcerned, good-natured
начиха́вший
indifferent, apathetic, careless, unconcerned
начха́вший
indifferent, uncaring, dismissive, unconcerned
Examples
I am unconcerned with the problem.
complacent, unconcerned, good-natured
indifferent, apathetic, careless, unconcerned
indifferent, uncaring, dismissive, unconcerned
I am unconcerned with the problem.