Simple Definition of nemesis
: an opponent or enemy that is very difficult to defeat
Examples of nemesis
On just the kind of putt that had been a career-long nemesis, he kept his head perfectly still and knocked the ball squarely in the hole. —Jaime Diaz, Sports Illustrated, 20 Feb. 1995
Japan and Iraq have been floated as possible successors for the role once filled by Amercia's old nemesis, the Soviet Union … —Michiko Kakutani, New York Times, 18 June 1993
In the beginning were the words, winged at first until, paralysed, they fell to earth and were imprisoned by their nemesis, the alphabet. —Erich Segal, Times Literary Supplement, 12 July 1991
Thus, once surgeons implant the new graft, tissue rejection—the unforgiving nemesis of most transplant attempts—occurs in only 3% to 5% of cases. —Christine Gorman et al., Time, 7 Dec. 1987
He will be playing his old nemesis for the championship.
<Batman is the Joker's main nemesis and always foils his wicked plots.>
Origin of nemesis
Latin, from Greek
First Known Use: 1561
Rhymes with nemesis
Seen and Heard
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