MASS

noun

1. (physical) Matter, material.
2. A large quantity; a sum.

verb

1. To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble.
2. To have a certain mass.

adjective

1. Involving a mass of things; concerning a large quantity or number.
2. Involving a mass of people; of, for, or by the masses.