- a prick caused by a pin；a minor annoyance or irritation
noun: pinprick, plural noun: pinpricks
- 1. a prick caused by a pin for the blood to be poisoned it takes only a pinprick
- ▪ a minor annoyance or irritation compared with the indignities he had so far endured, this was a mere pinprick
- 2. a very small dot or amount the stars were pinpricks of light
- a prick caused by a pin.
Oxford American Dictionary