a. Obs. [f. BITTER sb. + -FUL.] Full of bitterness.
a. 1500. Lament. Mary Magd., 53 (Chaucers Wks.). Remembryng this bitterfull departing.
1552. Huloet, Bytterful, or full of bytternes.
1618. Sheph. Cal. (1656), xlviii. Pilate condemned him to the most bitterfull death.