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Definition of mass

mass

/mæs/
mass

Plural:masses
•
Adjective:mass
•
Past Simple:massed
•
Past Participle:massed
•
Present Participle:massing
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mass Lexical Profile

mass Game Scores & Validity

• adjective

1

Involving, affecting, or designed for a large number of people or things.

Example

"The government launched a mass vaccination campaign to control the outbreak."

Synonyms
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Antonyms
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• noun

1

A coherent, typically large body of matter with no definite shape.

Example

"The workers removed a dark, solid mass of rock from the tunnel."


2

A large number of people or objects gathered closely together.

Example

"A massive mass of protesters gathered in the town square to demand political reform."


3

The fundamental property of an object that quantifies its amount of matter and its resistance to acceleration.

Example

"The star has a mass nearly one hundred times that of our sun."

Synonyms
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Antonyms
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• verb

1

To gather, assemble, or form into a large, cohesive group or unified body.

Example

"Dark clouds began to mass on the horizon just before the severe thunderstorm hit."

Synonyms
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Antonyms
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Word Nuance & Usage

In physics, 'mass' strictly refers to the amount of matter in an object, distinguishing it from 'weight' which depends on gravity. When referring to the Christian religious service, it is frequently capitalized as 'Mass'.

• Rhymes for mass

Word Origin & Etymology

Derived from Old French 'masse' and Latin 'massa' (kneaded dough, lump). The religious sense derives separately from Late Latin 'missa', originating from the dismissal phrase 'Ite, missa est'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Mass. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mass
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