We went to mass on Sunday.

A gathering of people, often for a religious service.
They attended mass every week.
The church was full for the evening mass.
She sings in the choir during mass.
Sunday mass
daily mass
high mass
service
ceremony
worship
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
The mass of the planet affects its gravity.

In physics, a property of a body that determines the strength of its mutual gravitational attraction with other bodies.
The mass of the car affects its speed.
A larger mass will have a stronger pull.
Scientists measure the mass of stars to study their behavior.
mass of an object
mass and weight
mass measurement
weight
bulk
substance