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

disperser

2 of 2

noun

dis·​pers·​er
də̇ˈspərsər
-pə̄sə(r
-pəisə(r
plural -s
: one that disperses
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

Verb 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.
Verb
Shake the bottle gently before each use to disperse the oils. The Spruce, 2 July 2026 The long, lightweight seed pods catch the wind and disperse seeds all over your yard, your neighbors’, and in the little cracks between your sidewalk. Karen Brewer Grossman, Southern Living, 2 July 2026 Protesters broke the windows of the police station while police responded with a water cannon to disperse the crowd. ABC News, 4 July 2026 Soot and particulates will likely linger through Sunday afternoon before being dispersed by the wind. Corinne Purtill, Los Angeles Times, 4 July 2026 See All Example Sentences for disperse

Word History

Etymology

Verb

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

First Known Use

Verb

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 7 Jul. 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

More from Merriam-Webster on disperse

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!