flash mob: meaning, definition, pronunciation and examples
B2informal, journalistic, sometimes technical in social media/digital culture contexts
Quick answer
What does “flash mob” mean?
A large public gathering at which people perform an unusual or seemingly random act and then quickly disperse.
Audio
Pronunciation
Definition
Meaning and Definition
A large public gathering at which people perform an unusual or seemingly random act and then quickly disperse.
A group of people who assemble suddenly in a public place to perform a brief, coordinated action (often dance, performance, or spectacle) for entertainment, satire, or political statement, typically organized via social media or electronic communication.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Slightly more common in American media reports. In UK, sometimes hyphenated as 'flash-mob' in older publications.
Connotations
Neutral-to-positive connotation of organized fun or creative protest. Can have negative connotation if the action causes disruption or is seen as trivial.
Frequency
Peak usage around 2003-2013; now somewhat dated but still understood. More frequent in digital culture discourse than general conversation.
Grammar
How to Use “flash mob” in a Sentence
[Noun] organized a flash mob in [Location][Participants] took part in a flash mobThe flash mob [verb: dispersed/began/ended]Vocabulary
Collocations
Examples
Examples of “flash mob” in a Sentence
verb
British English
- Protesters attempted to flash mob the shopping centre last Saturday.
- The choir plans to flash mob the railway station next month.
American English
- Students flash mobbed the campus quad with a surprise dance.
- The group will flash mob the city park for the festival.
adverb
British English
- They assembled flash-mob style in the market square.
- The protest happened flash-mob fast, then dispersed.
American English
- They gathered flash mob quick before security arrived.
- The performance was organized flash mob style via text messages.
adjective
British English
- The flash-mob event attracted hundreds of participants.
- They're known for their flash mob performances around London.
American English
- Flash mob culture peaked in the early 2000s.
- The flash mob organizers used Twitter to coordinate.
Usage
Meaning in Context
Business
Rare except in marketing contexts ('flash mob marketing', 'viral flash mob campaign')
Academic
Used in sociology, media studies, and performance studies to describe digitally-coordinated collective action
Everyday
Describing surprising public performances seen online or in person
Technical
In computer science/sociology: 'smart mobs' or 'ad hoc crowdsourcing'
Vocabulary
Synonyms of “flash mob”
Strong
Neutral
Weak
Vocabulary
Antonyms of “flash mob”
Watch out
Common Mistakes When Using “flash mob”
- Using as a verb ('They flash mobbed the station' - non-standard)
- Confusing with 'flash crowd' (internet traffic)
- Misspelling as 'flesh mob'
FAQ
Frequently Asked Questions
Typically written as two words (flash mob), though hyphenated form (flash-mob) appears occasionally, especially in British English.
Verb use ('to flash mob') is informal and not standard in formal writing, though it appears in casual contexts.
A flash mob emphasizes surprise, performance, and quick dispersion; protests are typically political and intended to be visible for longer periods.
The phenomenon gained global attention around 2003, coinciding with the rise of social media and mobile phones for coordination.
A large public gathering at which people perform an unusual or seemingly random act and then quickly disperse.
Flash mob is usually informal, journalistic, sometimes technical in social media/digital culture contexts in register.
Flash mob: in British English it is pronounced /ˈflæʃ mɒb/, and in American English it is pronounced /ˈflæʃ mɑːb/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “flash in the pan (different meaning - something brief but unsuccessful)”
- “mob mentality (negative group behavior)”
Learning
Memory Aids
Mnemonic
FLASH = sudden light/event + MOB = crowd. Imagine a camera flash going off as a crowd suddenly appears.
Conceptual Metaphor
DIGITAL COMMUNICATION IS LIGHTNING (speed); COLLECTIVE ACTION IS A FLUID ENTITY
Practice
Quiz
Which characteristic is MOST essential to a flash mob?