mass
adjective [ before noun ]
uk/mæs/ ushaving an effect on or involving a large number of people:
There have been two decades of mass unemployment.
mass audience/appeal A smaller company could produce a breakthrough product with mass appeal.
mass consumerism/consumption The society that we live in now is so geared to spending and mass consumerism.
a mass protest/rally/action
See also
critical mass
mass
noun
uk/mæs/ us [ U ]
the amount of matter in any solid object or volume of liquid or gas:
These activities help strengthen bones and increase their mass.
a mass of sth [ S ]
a large amount of something:
The media company has enjoyed a mass of hype.
They were part of the large mass of consumers who acquired a credit card in the 1980s.