English Reference

Word

disperse

Phoneticsdis·perse

US/dɪˈspɝs/

UK/dɪspˈɜːs/

Definitions

02to disappear or break up

B2

v. to break up and slowly disappear, like smoke or clouds.

v. to cause to break up and disappear; to dissipate or vanish through scattering.

“The morning fog began to disperse as the sun got higher.”

“The heavy smoke from the factory fire took several hours to disperse, even with the help of a strong coastal breeze.”

Antonyms

03to spread information

C1

v. to spread information or knowledge to many people.

v. to disseminate or distribute information, knowledge, or culture widely.

“The internet allows us to disperse news across the world instantly.”

“The organisation aims to disperse educational resources to remote villages that lack access to traditional schooling.”

Formal

Antonyms

04to separate light

C1 · Science

v. to separate light into different colours.

v. to separate light into its spectral components or different wavelengths through refraction.

“A prism can disperse a beam of white light into a rainbow.”

“The glass droplets in the atmosphere disperse sunlight, creating the optical phenomenon we recognise as a rainbow.”

Technical

Synonyms

refractsplit

Real-World Examples

“The Serbian government denied that a sonic weapon was used to panic and disperse the crowd.”
The Guardian · 25 Aug 2026
“Also on Friday, a number of settlers returned to set up a tent near the site - a day after an operation to disperse them from the area.”
BBC News · 14 Aug 2026

Etymology

From Middle French disperser, from Latin dispersus, past participle of dispergō (“to scatter abroad, disperse”), from dis- (“apart”) + spargō (“to scatter”); see sparse.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Collocations

widely disperse

Word family

Domain

Physics

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

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