en masse

adverb

äⁿ(n)-ˈmas  -ˈmäs  än- 

en-

: in a body : as a whole

moved the inmates en masse to the new prison

Examples of en masse in a Sentence

Her supporters arrived en masse for the rally.

Recent Examples on the Web

Hirakawa's team envisage that the impact of a 500-kilometer-wide (310 miles) protoplanet, similar in size to the asteroid Vesta and loaded with RNA's ingredients, could have brought RNA's building blocks to our planet en masse. —Keith Cooper, Space.com, 5 Jan. 2026

While companies have moved en masse to the wider Dallas-Fort Worth area, Downtown Dallas has not been a major beneficiary of those moves. —Sasha Richie, Dallas Morning News, 5 Jan. 2026

The previous August, Manchester United fans had attacked the Wheatsheaf en masse. —Andy Mitten, New York Times, 3 Jan. 2026

Alarmed by anti-Israel sentiment from conservative influencers, the religious leaders traveled en masse to Israel to counter podcasters’ messaging. —Michelle Boorstein, Washington Post, 3 Jan. 2026

Word History

Etymology

French

First Known Use

1795, in the meaning defined above

Rhymes for en masse

• alas
• amass
• bromegrass
• bypass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse

Kids Definition

en masse

adverb

än-ˈmas 

: in a body : as a whole