bitter

Dictionary definition · bitter

English term for a dry sharp-tasting ale with strong flavor of hops (usually on draft)
the taste experience when quinine or coffee is taken into the mouth
the property of having a harsh unpleasant taste

marked by strong resentment or cynicism"an acrimonious dispute"
very difficult to accept or bear"the bitter truth"
harsh or corrosive in tone"an acerbic tone piercing otherwise flowery prose"
expressive of severe grief or regret"shed bitter tears"
proceeding from or exhibiting great hostility or animosity"a bitter struggle"
causing a sharp and acrid taste experience"quinine is bitter"
causing a sharply painful or stinging sensation; used especially of cold"bitter cold"

Source: Open English WordNet (CC BY 4.0).