1. A woman guilty of adultery.

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

• adulterist,
• adulters,
• adultorers,
• adulterors,
• adulteras,
• adultereses,
• adulteresse,
• adulteres,
• addulatress,
• adulteris,
• adulteries,
• adultyness,
• adultnesss,
• adultenss,
• adultness,
• docteress,
• emulateress,
• Adulterys,
• Adulterrys,
• Adulterosness

• adulterating,
• adulterous,
• adulterator,
• adulterant,
• adultery,
• adulterine,
• adulatory,
• adulator,
• adulterate,
• addlehead,
• adulterously,
• Adulterer,
• adulteration,
• adulate,
• adulterated.

The adjective form of the word "adulteress" is "adulterous".

The plural of the "adulteress" can be the "adulteresses".

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