Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mass”

mass

noun (LARGE AMOUNT)    /mæs/
B2 [S] a large amount of something that has no particular shape or arrangement: The explosion reduced the church to a mass of rubble. The forest is a mass of colour in autumn.Masses and large amounts of things masses [plural] mainly UK informal B2 a lot: [+ to infinitive] I've got masses to do at the weekend. There were masses of people in town today.Masses and large amounts of things the mass of sth most of something: The mass of the people support the government's reforms.Maximum and minimum
(Definition of mass noun (LARGE AMOUNT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of mass

Definitions of “mass” in other dictionaries

Word of the Day

neighbourly

friendly or helpful

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