To stimulate interest or curiosity. The unusual painting piqued her curiosity, prompting her to learn more about the artist.
To provoke or arouse a feeling of resentment or irritation. His dismissive comment piqued her, and she decided to confront him about it.
(reflexive) To pride or congratulate (oneself) on something; to boast. She piqued herself on her ability to solve complex problems quickly.