неизвестна

unknown

nʲ ɪ ɪ z vʲ e s n ə → неизвестный
не not; un- + известн famous, well-known + а Feminine short form
adjective · singular feminine Rare #32,763
unknown Used of a feminine singular subject.
RU: Причина неизвестна.
EN: The reason is unknown.
Forms of неизвестный
MasculineFeminine
Singular — неизвестна