- 1a very small area of something, especially light His eyes narrowed to two small pinpricks of black.
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- 2a very small hole in something, especially one that has been made by a pin The only mark on her was a pinprick left by the injection.
- 3something that annoys you even though it is small and unimportant Nausea and tiredness were mere pinpricks compared to the emotional pain she was feeling.
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