1. A woman who cohabits with a man without a legal marriage; a kept mistress; a wife who does not take rank with her husband.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• conbine,
• concobine,
• conculing,
• concuming,
• concumbine,
• conqubins,
• contubing,
• xoncubine,
• voncubine,
• concubin,
• concubien,
• concubinne,
• concubyne,
• collubrine,
• concubinar,
• Concubinery,
• sucubine,
• concubitise,
• concutiet,
• Concubatiss

• concubinage.

The adjective form of the word "concubine" is "concubinal".

The plural of the "concubine" can be the "concubines".

The singular of the "concubine" can be the "concubine".