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Synonyms

ICU

American  

abbreviation

  1. intensive care unit.

ICU British  

abbreviation

  1. intensive care unit

  2. text messaging I see you

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I was rotating through a pediatric ICU in Baltimore.

From Slate • Mar. 29, 2026

Minnesota Attorney General Keith Ellison is concerned the federal government may “withhold” information about the death of ICU nurse Alex Pretti.

From The Wall Street Journal • Jan. 28, 2026

After the shooting Trump initially called Pretti a "gunman," and other senior US officials claimed the 37-year-old ICU nurse had turned up armed at an enforcement action to try and kill federal agents.

From BBC • Jan. 27, 2026

It progresses to dialysis, ICU admissions, and expensive, lifelong care.

From Slate • Jan. 26, 2026

My body wasn’t gone from the ICU for too long.

From "If I Stay" by Gayle Forman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.