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Definitions

en masse

[ahn mas, en, ahn mas] / ɑn ˈmæs, ɛn, ɑ̃ ˈmas /
ADJECTIVE
all at once
Synonyms
STRONGEST
altogether
WEAK
all in all all together as a body as a group as a whole as one bodily by and large ensemble generally in a body in a group in a mass jointly on the whole together
Antonyms
WEAK
one at a time singly
ADVERB
all together
Synonyms
WEAK
all at once as a body as a group as a whole as one collectively communally cooperatively en bloc ensemble in a group in chorus in unison jointly together unanimously unitedly wholly with one voice

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Elected officials, labor unions and other groups that had endorsed Swalwell abandoned him en masse after the allegations against him were publicized.

From Los Angeles Times • Apr. 13, 2026

But the buildings are being developed en masse across the country to power AI, particularly in states such as Ohio that have courted Big Tech to move in with tax incentives or other benefits.

From The Wall Street Journal • Apr. 8, 2026

But civilians are turning en masse to bitcoin, the world's leading cryptocurrency, which can be withdrawn from platforms and stored in personal wallets, beyond the authorities' reach.

From Barron's • Mar. 27, 2026

And it said the cancellation en masse of non-urgent care, such as knee and hip replacements, had a "debilitating effect" on patients' lives and mobility.

From BBC • Mar. 19, 2026

They exhausted their resource base, began to die of starvation and thirst, and fled their cities en masse, leaving them as silent warnings of the perils of ecological hubris.

From "1491" by Charles C. Mann