unconcern russian

• беспе́чно

  light-heartedly, with complete unconcern

• бесшаба́шность

  recklessness, foolhardiness, reckless daring, devil-may-care attitude

  carefreeness, unconcern, happy-go-lucky attitude

  wild exuberance, high spirits, boisterousness

• безуча́стие

  indifference, apathy, unconcern, passivity

• безду́мье

  thoughtlessness, mindlessness, unconcern, carefreeness

  lack of a clear line, muddle-headedness, confusion

• благоду́шно

  good-naturedly, genially, kindly, amiably

  placidly, serenely, complacently, unconcernedly

• начха́вший

  indifferent, uncaring, dismissive, unconcerned

• благоду́шествовавший

  complacent, unconcerned, good-natured

• начиха́вший

  indifferent, apathetic, careless, unconcerned

Examples

• Я дёрнул её за рука́в, но она продолжа́ла говори́ть как ни в чём не бывало.

  I pulled her by the sleeve, but she went on talking unconcernedly.

• Я равноду́шен к пробле́ме.

  I am unconcerned with the problem.

• Начхавший на критику писатель издал новую книгу.

  The writer, unconcerned by criticism, published a new book.