Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “multiple sclerosis”

multiple sclerosis

noun [U]     /ˌmʌltɪplskləˈrəʊsɪs/
a serious disease that gradually makes it difficult for a person to see , speak , or move Disorders of muscles and the nervous system
(Definition of multiple sclerosis noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “multiple sclerosis” in other dictionaries

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More