- a variation of Down syndrome.
Down's syndrome
Britishnoun
Usage
Although the condition was once generally known as mongolism , this term has been considered offensive since the early 1960s. The terms Down's syndrome or ( US ) Down syndrom are now preferred.
Etymology
Origin of Down's syndrome
C19: after John Langdon-Down (1828–96), English physician
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.
Joel has Down's syndrome, among other health conditions but paediatrician Dr Niamh Lynch said flu could be serious for any child.
From BBC • Jan. 13, 2026
"On an Aitch level, I feel like I have got this calling to raise awareness for Down's syndrome and I feel that's the perfect place."
From BBC • Nov. 11, 2025
But Goldstein - who is the first star with Down's syndrome to take part in a regular series of the dance show - also gave an insight into what she is most looking forward to.
From BBC • Sep. 26, 2025
The presenter, who has Down's syndrome, says: "I'm looking forward to sword fighting, the Tinkerbell stuff - everything really, it's just so exciting."
From BBC • Sep. 9, 2025
The 32-year-old, who has a daughter with Down's syndrome and a son awaiting neuro and cognitive assessments, said the campsite "facilitates everybody".
From BBC • Aug. 28, 2025
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.