Examples of “nemesis” in a Sentence

noun A person's worst enemy or greatest rival — someone who always seems to oppose or defeat them.

• In the cartoon, the cat is the mouse's lifelong nemesis.
• The detective finally came face to face with his old nemesis.
• For years, that team was our nemesis in the championship game.

noun A downfall or defeat that someone thoroughly deserves and cannot escape; a form of poetic justice.

• The cheating contestant met his nemesis when the judges checked the footage.
• Her constant lying proved to be her nemesis when nobody believed her anymore.
• His own greed became his nemesis in the end.