1. a lover, especially one in an adulterous relationship
Usage: somewhat archaic or literary

Examples

• The novel tells the story of a married woman and her secret paramour.
• Historical records suggest the king had several paramours throughout his reign.
• She discovered her husband’s paramour through a series of love letters.
• The scandal involved a prominent politician and his paramour.
• In the play, the jealous husband confronts his wife’s paramour.
• The diary revealed details about her paramour from decades past.