1. A baron's wife or lady.

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

• barneys,
• balness,
• barroness,
• fareness,
• careness,
• barreness,
• areness,
• arsneus,
• baronees,
• barokness,
• baronesss,
• baroneses,
• baronesse,
• barones,
• baronses,
• baroquness,
• bizarrness,
• buxonmess,
• bairness,
• faroess

• barong,
• barrenness,
• barringer,
• baronage,
• Barnes,
• barring,
• bareness,
• barranco.

The adjective form of the word "baroness" is "baronial".

The plural of the "baroness" can be the "baronesses".

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