Masse

In the German Wikipedia there are people who are such sticklers for rules, that other contributors, often far more knowledgeable, take to their heels en masse.

Staff couldn't handle the new Minister's authoritarian management style, and left en masse.

In the 8th century AD, Berbers converted to Islam en masse.

People came en masse.

In February 2019, Algerians took to the streets en masse.

These three oaths, what are they? One, that Israel shall not return to the land en masse. Another, the Holy One, Blessed be He, adjured upon Israel that they shall not rebel against the nations of the world. And finally, the Holy One, Blessed be He, adjured upon the nations of the world that they shall not oppress Israel too much.

On the 17th year of their cycle, when the ground temperature reaches the right temperature, they emerge en masse.

All were carried away en masse by Marxism.

In the late afternoon, at the conclusion of the race-meet, Bosnian society repairs en masse to the beautiful and fashionable Villa Bosna, where, in the cool of the evening, in the casino or under the great trees, it sups and dines and chatters, until it is time for the last of the evening trains to leave for Sarajevo.