pinprick noun 3verb 2forms 3 noun3 •An insignificant puncture made by a pin or similar point. •A very tiny dot.The stars were pinpricks of light in a clear night sky. •A mildly annoying wound or damage. verb2 •To puncture with a tiny hole or holes.By now it was dark, velvety dark with a moon, a darkness pinpricked by the lights from the landing place now drawing rapidly closer. — 1966 •To produce a jabbing sensation, like a pinprick, in.The water pinpricked her face as she stepped into the shower. formspinpricked · pinpricking · pinpricks