BITTERFUL
Bit"ter*ful, a.
Defn: Full of bitterness. [Obs.]
BITTERING
Bit"ter*ing, n.
Defn: A bitter compound used in adulterating beer; bittern.
BITTERISH
Bit"ter*ish, a.
Defn: Somewhat bitter. Goldsmith.
BITTERLING
Bit"ter*ling, n. Etym: [G.] (Zoöl.)
Defn: A roachlike European fish (Rhodima amarus).
BITTERLY
Bit"ter*ly, adv.
Defn: In a bitter manner.