Breadcrumb Home > Thesaurus > I Cite Synonyms of icu Find synonyms for: Noun1. intensive care unit, ICU, unit, social unitusage: a hospital unit staffed and equipped to provide intensive careWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of icu (Dictionary) 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: protean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language