BIT'TERNESS, n. from bitter. A bitter taste or rather a quality in things which excites a biting disagreeable sensation in the tongue.
1. In a figurative sense, extreme enmity, grudge, hatred or rather an excessive degree or implacableness of passions and emotions as the bitterness of anger. Ephesians 4
2. Sharpness severity of temper.
3. Keenness of reproach piquancy biting sarcasm.
4. Keen sorrow painful affliction vexation deep distress of mind.
Hannah was in bitterness of soul. 1 Samuel 1; Job 7
In the gall of bitterness, in a state of extreme impiety or enmity to God. Acts 8
Root of bitterness, a dangerous error, or schism, tending to draw persons to apostasy. Hebrews 12
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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