ユニゾンユニゾンFreq.FrequencyTop 50,000Meanings1noununisonmusicMusical term for singing or playing the same melody at the same pitch or in octaves. Also used metaphorically for acting together in harmony.合がっ唱しょう団だんはユニゾンで歌うたい始はじめた。The choir began singing in unison.彼かれらの意い見けんはユニゾンだった。Their opinions were in unison.