dismissive russian

• пренебрежи́тельный

  disparaging/dismissive

• начха́вший

  indifferent, uncaring, dismissive, unconcerned

• отклоня́ющий

  deflecting, deviating, diverting

  rejecting, dismissive

• отрица́ющий

  denying, refuting, negating

  rejecting, dismissive, disapproving

• отфы́ркивающийся

  snorting back, dismissive (with a snort), grudgingly responsive