Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun nemesis
2 senses of nemesis                                                     
Sense 1
Nemesis -- ((Greek mythology) the goddess of divine retribution and vengeance)
       INSTANCE OF=> Greek deity -- (a deity worshipped by the ancient Greeks)
Sense 2
bane, curse, scourge, nemesis -- (something causing misery or death; "the bane of my life")
       => affliction -- (a cause of great suffering and distress)

