Breadcrumb Home > Thesaurus > N Synonyms of nsf Find synonyms for: Noun 1. National Science Foundation, NSF, independent agency usage: an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nsf (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language