Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “sleeping sickness”

sleeping sickness

noun [U]    
an African disease that causes fever, severe loss of energy, weight loss, and sometimes deathFevers and infectious diseasesColds and flu
(Definition of sleeping sickness noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of sleeping sickness

Translations of “sleeping sickness”

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

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