na-adjective, noun
distaste; unsavoriness
Refers to something being unpalatable or disagreeable, often in a moral or aesthetic sense. Rare and literary; in modern Japanese, 不味い (まずい) is the common adjective form.
彼の言葉にはどこか不味な響きがあった。
There was something distasteful in his words.
この料理は見た目は良いが、味に不味さを感じる。
This dish looks good, but I find its taste unsavory.