

The mass of the rock was heavy.
A large amount of matter or substance.
The mass of the water was surprising.
She lifted a mass of books from the shelf.
The mass of the cake was too much for one person.
mass of objects
mass of material
mass of energy
weight
bulk
substance
The mass production of goods helps lower prices.
Relating to a large quantity or size.
The mass of people gathered for the concert.
She bought a mass of groceries for the week.
The mass of clouds indicated a storm was coming.
mass production
mass market
mass appeal
large
huge
vast