adverb in a group; all together
preposition in a body or mass; as a whole
Troops were deployed en masse to the front lines.
Protesters gathered en masse to demand change.
Fans cheered en masse for their favorite team at the championship game.
Investors sold off their stocks en masse during the market crash.
Supporters of the cause marched en masse through the streets.
In the literary world, writers often come together en masse for book signings, literary festivals, and writing workshops.
Psychologists may conduct research studies en masse to gather data from a large sample size for more accurate results.
Teachers may organize field trips en masse to take students to museums, historical sites, or other educational destinations.
Doctors may volunteer en masse during medical missions to provide healthcare services to underserved communities.
Software engineers may collaborate en masse to work on large-scale projects that require multiple developers to achieve the desired outcome.