Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

mega-

 
/ˈmeg·ə/ prefix

Definition

used to add the meaning "extremely big" or "a large amount" to nouns: His last movie made him a megastar. They’re making megabucks (= a lot of money).
(Definition of mega- prefix from the Cambridge Academic Content Dictionary © Cambridge University Press)

“mega-” in other dictionaries

Word of the Day

ride (out) the storm

to manage not to be destroyed, harmed or permanently affected by the difficult situation you...

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