悪妻 is read as あくさい (akusai) and means bad wife.
あくさい
akusai
あくさいはひゃくねんのふさく
a bad wife spells the ruin of her husband
あっか
deterioration
あくむ
nightmare
あくせい
malignant (cancer)
あくやく
villain
あくてんこう
bad weather
おかん
chill
あくほう
bad law
misgovernment
あくろ
bad road
あくにんしょうき
The evil persons are the right object of Amida's salvation
あくせいしんせいぶつ
malignant growth