Available Definitions:
1) n. - 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.
2) n. - A state of extreme impiety or enmity to God.
3) n. - Dangerous error, or schism, tending to draw persons to apostasy.