1) Mass Noun
The property of a body that causes it to have weight in a gravitational field.
2) Mass Verb
Join together into a mass or collect or form a mass.
Crowds were massing outside the palace.
Formed of separate units gathered into a mass or whole.
Aggregate expenses include expenses of all divisions combined for the entire year.
The aggregated amount of indebtedness.
(often followed by `of`) a large number or amount or extent.
A batch of letters.
A deal of trouble.+ More
5) Mass Noun
An ill-structured collection of similar things (objects or people).
The common people generally.
Separate the warriors from the mass.
Power to the people.
The property of something that is great in magnitude.
It is cheaper to buy it in bulk.
He received a mass of correspondence.+ More
Bulk - the property possessed by a large mass.
Atomic Mass, Atomic Weight, Relative Atomic Mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.
Blue, Blueness - blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue".
Blue, Gamey, Gamy, Juicy, Naughty, Racy, Risque, Spicy - suggestive of blue impropriety; "a blue movie".
Boggy, Marshy, Miry, Mucky, Muddy, Quaggy, Sloppy, Sloughy, Soggy, Squashy, Swampy, Waterlogged - (of soil) soft and watery; "Miry road".
Jest, Jocularity, Joke - activity characterized by good humor; "You joke a lot".
Do, Execute, Perform - carry out or perform an action; "Why did you do this?".
Now, Nowadays, Today - in these times; "What`s up nowadays ?".
Talk, Talking - an exchange of ideas via conversation; "Who are you talking with?".
Craven, Recreant - lacking even the rudiments of courage; abjectly fearful; "the craven fellow turned and ran".
Give, Sacrifice - endure the loss of; "May I be sacrificed upon my doll".
What - interrogatively; "What should I say?".