noun, noun which may take the genitive case particle 'no'
Refers to the taste of bitterness, as in coffee, dark chocolate, or certain vegetables. Can also be used figuratively for a bitter experience.
このコーヒーは苦味が強い。
This coffee has a strong bitterness.
苦味のあるチョコレートが好きだ。
I like chocolate with a bitter taste.