► 名詞
苦味 [にがみ] meaning: bitter rank: 3
☆ 苦味のあるビール ⇨ Beer with bitter taste
灰汁 [(2)あく] meaning: bitter rank: 4
☆ 彼女は野菜を煮てアクを取った ⇨ She boiled vegetables to remove bitterness, unpleasant taste
► 形容詞
苦い [(2)にがい] meaning: bitter rank: 1
☆ 苦いコーヒー ⇨ Bitter coffee
渋い [(2)しぶい] meaning: bitter rank: 2
☆ 渋い茶 ⇨ Unpleasant-taste tea (☛ There is no corresponding English word. Scientists classify 渋い not as a taste, but rather a sensation like spicy)
えぐい [(2)えぐい] [coll] meaning: bitter rank: 3
☆ えぐい味のほうれん草 ⇨ Bitter-tasting spinach (☛ Bitter, raw, tongue-roughing taste of some vegetables that are not well prepared)