/ Thesaurus / A Synonyms of advanced research and development activity Find synonyms for: Noun1. Advanced Research and Development Activity, ARDA, agency, federal agency, government agency, bureau, office, authorityusage: an agency of the Intelligence Community that conducts advanced research and development related to information technologyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language