Bit"ter*ness (?), n. [AS. biternys;
biter better + -nys = -ness.] 1.
The quality or state of being bitter, sharp, or acrid, in either a
literal or figurative sense; implacableness; resentfulness; severity;
keenness of reproach or sarcasm; deep distress, grief, or vexation of
mind.
The lip that curls with bitterness.
Percival.
I will complain in the bitterness of my soul.
Job vii. 11.
2. A state of extreme impiety or enmity to
God.
Thou art in the gall of bitterness, and in the bond
of iniquity.
Acts viii. 23.
3. Dangerous error, or schism, tending to draw
persons to apostasy.
Looking diligently, . . . lest any root of bitterness
springing up trouble you.
Heb. xii. 15.