dispersed; dispersing
Synonyms of disperse

transitive verb

1
a
: to cause to break up (see break up sense 1a)
police dispersed the crowd
b
: to cause to become spread widely
disperse the troops
c
: to cause to evaporate or vanish
sunlight dispersing the mist
2
: to spread or distribute from a fixed or constant source: such as
a
archaic : disseminate
disperse the news
b
physics : to subject to dispersion (see dispersion sense 4)
disperse light
c
chemistry : to distribute (something, such as fine particles) more or less evenly throughout a medium

intransitive verb

1
: to break up in random fashion
the crowd dispersed on request
2
a
: to become dispersed
the particles dispersed throughout the mixture
b
: dissipate, vanish
the fog dispersed toward morning
disperser noun
Choose the Right Synonym for disperse

scatter, disperse, dissipate, dispel mean to cause to separate or break up.

scatter implies a force that drives parts or units irregularly in many directions.

the bowling ball scattered the pins

disperse implies a wider separation and a complete breaking up of a mass or group.

police dispersed the crowd

dissipate stresses complete disintegration or dissolution and final disappearance.

the fog was dissipated by the morning sun

dispel stresses a driving away or getting rid of as if by scattering.

an authoritative statement that dispelled all doubt

Examples of disperse in a Sentence

Police ordered the crowd to disperse. the crowd dispersed once the show ended
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But being able to disperse missiles over a greater number of platforms has its advantages, says Alessio Patalano, professor of war and strategy at King’s College, London. Brad Lendon, CNN Money, 8 Aug. 2026 That means that the money being dispersed is moving more slowly, York said. Rebecca Noel, Charlotte Observer, 6 Aug. 2026 Several vehicles were seized, crowds were dispersed, and arrests and citations were made, authorities said. Devoun Cetoute, Miami Herald, 6 Aug. 2026 Birds are valuable contributors to nature’s harmony, providing essential ecological services such as eating insects, dispersing seeds, and pollinating plants. Tanya Edwards, USA Today, 6 Aug. 2026 See All Example Sentences for disperse

Word History

Etymology

Middle English, from Latin dispersus, past participle of dispergere to scatter, from dis- + spargere to scatter — more at spark

First Known Use

14th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of disperse was in the 14th century

Browse Nearby Words

Cite this Entry

“Disperse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disperse. Accessed 9 Aug. 2026.

Kids Definition

dispersed; dispersing
1
: to cause to become spread widely : scatter
police dispersed the crowd
2
: to subject (as light) to dispersion
3
: to move in different directions
the clouds dispersed

Medical Definition

dispersed; dispersing

transitive verb

: to spread or distribute from a fixed or constant source: as
a
: to subject (as light) to dispersion
b
: to distribute (as fine particles) more or less evenly throughout a medium

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