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Difference between Peak, Peek and Pique

Peak, as a noun, means summit; as a verb, it means maximize.

  • Those records show Gracie is at the peak of her running career.
  • At what age did you peak in your running career?

Peek means to peep or snoop.

  • Peek into the window to see if Karol and Jo have left the house.

Pique means to excite or irritate.

  • Did you pique his interest with your sales pitch?
  • After hearing those comments, Ed is definitely piqued.