ADJ

enormous, great, huge, large, vast
broad
Their policies appeal to the broad mass of the population
formless, shapeless
When I washed the jumper, it just turned into a shapeless mass
compact, dense, solid
chaotic
a chaotic mass of ideas
tangled
a tangled mass of hair

PREP

~ of
a dense mass of smoke
~es of (informal)
There were masses of people at the concert

ADJ

requiem, Sunday

VERB + MASS

attend, go to, hear
She never failed to attend Sunday Mass
celebrate, offer, say
The local priest celebrates Mass in the village church

PREP

~ for
a requiem Mass for the sailors who drowned