Breadcrumb Home > Dictionary > Index N NSA: Meaning and Definition of Find definitions for: NSA Pronunciation: [key] National Security Agency. National Shipping Authority. National Standards Association. National Student Association. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nsa (Thesaurus) NS NSC TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language