Breadcrumb Home > Thesaurus > I Cite Synonyms of igor ivanovich sikorsky Find synonyms for: Noun1. Sikorsky, Igor Sikorsky, Igor Ivanovich Sikorskyusage: United States industrialist (born in Russia) who designed the first four-engine airplane and the first mass-produced helicopter (1889-1972)WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved. TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: puerile Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language