'Bitterness' definitions:

Definition of 'bitterness'

From: WordNet
noun
A feeling of deep and bitter anger and ill-will [syn: resentment, bitterness, gall, rancor, rancour]
noun
A rough and bitter manner [syn: bitterness, acrimony, acerbity, jaundice, tartness, thorniness]
noun
The taste experience when quinine or coffee is taken into the mouth [syn: bitter, bitterness]
noun
The property of having a harsh unpleasant taste [syn: bitterness, bitter]

Definition of 'Bitterness'

From: GCIDE
  • Bitterness \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. [1913 Webster]
  • The lip that curls with bitterness. --Percival. [1913 Webster]
  • I will complain in the bitterness of my soul. --Job vii. 11. [1913 Webster]
  • 2. A state of extreme impiety or enmity to God. [1913 Webster]
  • Thou art in the gall of bitterness, and in the bond of iniquity. --Acts viii. 23. [1913 Webster]
  • 3. Dangerous error, or schism, tending to draw persons to apostasy. [1913 Webster]
  • Looking diligently, . . . lest any root of bitterness springing up trouble you. --Heb. xii. 15. [1913 Webster]

Synonyms of 'bitterness'

From: Moby Thesaurus