mass JUST WRITTEN FOR YOU

/mæs/ · mass
noun
  1. Matter or material; the physical substance of which something is made. The scientist measured the mass of the metal sample.
  2. A large quantity or aggregate of items. A mass of people gathered in the square to protest.
verb
  1. To gather or combine into a single body or mass. The volunteers massed the debris after the storm.
  2. To have a particular mass; to weigh a certain amount. The suitcase massed 25 kilograms.
adjective
  1. Pertaining to a large quantity or number of things. The report highlighted mass extinction events in Earth's history.
  2. Relating to the general public or the masses. Mass unemployment surged after the factory closures.
Did you know? The term 'mass' gave its name to the Catholic Eucharistic service, originally referring to a lump of bread and later to the entire liturgical celebration.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026