Answer: nemesis

AnswerCrossword Clue
NEMESISRuin
NEMESISRetribution
NEMESISUnbeatable rival
NEMESISJust punishment
NEMESISBane
NEMESISWaterloo
NEMESISGoddess of righteous anger
NEMESIS1989 Isaac Asimov book
NEMESISBatman, to the Joker
NEMESISFormidable foe
NEMESISBatman, to the Riddler
NEMESISWellington, to Napoleon
NEMESIS"Star Trek: ..."
NEMESIS2002's "Star Trek: ..."
NEMESISAgent of vengeance.
NEMESISMacduff, to Macbeth
NEMESISVery tough thing to lick
NEMESISGreek goddess of vengeance
NEMESISDownfall
NEMESISArchrival
NEMESISNess vis- -vis Capone
NEMESISArch enemy
NEMESISLex Luthor, to Superman
NEMESISYankees, to the Red Sox
NEMESISFormidable rival
nemesissource of harm or failure
nemesisan unbeatable opponent
nemesisunconquerable opponent
NEMESISDifficult opponent
NEMESISGoddess of vengeance
NEMESISInevitable cause of downfall
NEMESISThe Joker, to Batman
NEMESISMoby Dick, to Ahab
NEMESISMoriarty, to Holmes
NEMESISUnbeatable foe
NEMESISArchenemy
NEMESISSuperman, to Lex Luthor
NEMESISUnbeatable scourge
NEMESISBugs, to Elmer
NEMESISRetribution personified