bitterest

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

marked by strong resentment or cynicism; "an acrimonious dispute"; "bitter about the divorce"

harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

expressive of severe grief or regret; "shed bitter tears"

causing a sharp and acrid taste experience;"quinine is bitter"

extremely and sharply; "it was bitterly cold"; "bitter cold"