/ Dictionary / Index P pinprick: Meaning and Definition of Find definitions for: pin•prick Pronunciation: (pin'prik"), [key] — n. any minute puncture made by a pin or the like. a negligible irritation or annoyance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pinprick (Thesaurus) pinpoint bombing pin rail Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language