unambiguous russian
недвусмы́сленный
unequivocal, unambiguous, plain
однозна́чный
unambiguous
undeniable
недвусмы́сленно
unequivocally, unambiguously, clearly, explicitly
unequivocal, unambiguous, plain
unambiguous
undeniable
unequivocally, unambiguously, clearly, explicitly