Bible Dictionaries
Bitter

Wilson's Dictionary of Bible Types

James 3:11 (a) No one's lips should both bless and curse. If the heart is right with GOD, then all that comes out of it will be blessed and good. If bitterness comes out, it is because the heart is contaminated.

Bibliography Information
Watson, Walter. Entry for 'Bitter'. Wilson's Dictoinary of Bible Types. https://www.studylight.org/​dictionaries/​eng/​wdt/​b/bitter.html. 1957.