Breadcrumb Home > Thesaurus > N Synonyms of nsc Find synonyms for: Noun 1. National Security Council, NSC, executive agency usage: a committee in the executive branch of government that advises the president on foreign and military and national security; supervises the Central Intelligence Agency WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nsc (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language