Полный русско-английский словарь
Нареч. without ceremony, in a free and easy manner, with undue familiarity бесцеремонн|о — high-handedly, coolly; (нагло) impudently; ~ость ж. high-handedness; undue familiarity; (наглость) impudence; ~ый high-handed, unceremonious, cool; (наглый) impudent, forward; ~ое обращение с фактами high-handed treatment of facts.