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.
This coffee has a strong bitterness.
I like chocolate with a bitter taste.
This coffee has a slight bitterness.
When you eat this chocolate, you feel a bitterness.
This beer has a strong bitterness.
Adding lemon can get rid of the bitterness.
After taking the medicine, a bitterness lingered in my mouth.