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Synonyms

sudden infant death syndrome

American  

noun

Pathology.
  1. death from the sudden cessation of breathing (apnea) of a seemingly healthy infant, almost always during sleep, sometimes traceable to a chronic oxygen deficiency. SIDS


sudden infant death syndrome British  

noun

  1.  SIDS.  a technical term for cot death

"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

sudden infant death syndrome Scientific  
/ sŭdn /
  1. A fatal condition that affects sleeping infants that are less than one year old and appear to be healthy. It is characterized by a sudden cessation of breathing and is thought to be caused by a defect in the central nervous system.

  2. Also called crib death SIDS


sudden infant death syndrome Cultural  
  1. Also called crib death, the deaths of sleeping infants less than a year old for unexplained reasons.


Etymology

Origin of sudden infant death syndrome

First recorded in 1970–75

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.

See Examples For:

Their youngest, Scott, died of sudden infant death syndrome aged two months.

From BBC Sep. 16, 2025

Instead, he deferred to an emergency room doctor’s diagnosis of sudden infant death syndrome, or SIDS.

From Salon Dec. 3, 2024

Decades ago, Bergman made waves in Olympia and Washington, D.C., advocating for research into sudden infant death syndrome, then also called “crib death.”

From Seattle Times Dec. 12, 2023

The high incidence of low birth weight and sudden infant death syndrome in such communities was a focus of the program.

From New York Times Jul. 23, 2023

By 2000, babies dying from sudden infant death syndrome dropped across the U.S. by almost half to 62 in every 1,000 live births, according to the Centers for Disease Control and Prevention.

From Los Angeles Times Jun. 16, 2023

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