Bitter

causing a sharply painful or stinging sensation; used especially of cold

harsh or corrosive in tone

marked by strong resentment or cynicism

proceeding from or exhibiting great hostility or animosity

very difficult to accept or bear

causing a sharp and acrid taste experience

expressive of severe grief or regret

the taste experience when quinine or coffee is taken into the mouth

the property of having a harsh unpleasant taste

English term for a dry sharp-tasting ale with strong flavor of hops (usually on draft)

make bitter

extremely and sharply