#1
bitter s. [
acrimonious] marked by strong resentment or cynicism; "an acrimonious dispute"; "bitter about the divorce"
. wn #2
bitter s. very difficult to accept or bear; "the bitter truth"; "a bitter sorrow"
. wn #3
bitter s. expressive of severe grief or regret; "shed bitter tears"
. wn #4
bitter s. proceeding from or exhibiting great hostility or animosity; "a bitter struggle"; "bitter enemies"
. wn #5
bitter r. [
piercingly, bitterly, bitingly] extremely and sharply; "it was bitterly cold"; "bitter cold"
. wn