/ Thesaurus / G Synonyms of guglielmo marconi Find synonyms for: Noun1. Marconi, Guglielmo Marconiusage: Italian electrical engineer who invented wireless telegraphy and in 1901 transmitted radio signals across the Atlantic Ocean (1874-1937)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language