black swan: meaning, definition, pronunciation and examples
B2 (core meaning), C1 (extended, metaphorical meaning)Formal/Technical (extended meaning), Neutral (zoological meaning)
Quick answer
What does “black swan” mean?
A large, predominantly black waterbird (Cygnus atratus), native to Australia.
Audio
Pronunciation
Definition
Meaning and Definition
A large, predominantly black waterbird (Cygnus atratus), native to Australia.
A metaphor for a rare, unexpected, and highly impactful event that lies outside the realm of regular expectations and is often inappropriately rationalized after the fact, with major consequences.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage; the term is internationally recognized in both its literal and metaphorical senses.
Connotations
Identical connotations in both varieties. The metaphorical sense carries associations with finance, risk management, and unpredictability.
Frequency
The metaphorical usage is equally frequent in business/academic contexts in both the UK and US. The zoological term is more common in Australian and New Zealand English.
Grammar
How to Use “black swan” in a Sentence
The [EVENT] was a black swan.Analysts warned of a potential black swan.Taleb's concept of the black swanVocabulary
Collocations
Examples
Examples of “black swan” in a Sentence
verb
British English
- The market was *black-swanned* by the sudden geopolitical crisis.
- They tried not to *black-swan* their projections with excessive pessimism.
American English
- The industry was *black-swanned* by the new regulation.
- His theory *black-swans* traditional economic models.
adjective
British English
- We conducted a *black-swan* analysis for the portfolio.
- The report highlighted several *black-swan* vulnerabilities.
American English
- The firm's *black-swan* scenario planning proved invaluable.
- They faced a *black-swan* market disruption.
Usage
Meaning in Context
Business
Refers to a market crash or disruptive innovation that was not predicted by standard models.
Academic
Used in economics, risk theory, and philosophy to discuss epistemological limitations and the impact of the highly improbable.
Everyday
Rarely used literally outside Australasia. Metaphorically, used to describe any major, surprising event (e.g., a pandemic).
Technical
A formal term in probability and risk management for an event with an outlier impact, beyond the realm of normal expectations.
Watch out
Common Mistakes When Using “black swan”
- Using it to describe any minor surprise.
- Incorrectly capitalising it as a proper noun (unless starting a sentence).
- Confusing it with a 'grey rhino' (a highly obvious, yet ignored, threat).
FAQ
Frequently Asked Questions
No, while often used for negative surprises (e.g., disasters), it can refer to any unforeseen major event, including positive ones like a breakthrough invention.
By definition, specific black swans are unpredictable. However, the concept encourages building robustness against uncertainty rather than attempting precise prediction.
A 'perfect storm' involves a rare confluence of predictable factors, whereas a 'black swan' is an event considered nearly impossible or outside all models before it occurs.
When used as a compound noun preceding another noun (acting as a modifier), it is often hyphenated (e.g., 'black-swan event'). As a standalone noun, it is not hyphenated.
A large, predominantly black waterbird (Cygnus atratus), native to Australia.
Black swan is usually formal/technical (extended meaning), neutral (zoological meaning) in register.
Black swan: in British English it is pronounced /ˌblæk ˈswɒn/, and in American English it is pronounced /ˌblæk ˈswɑːn/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A black swan event”
Learning
Memory Aids
Mnemonic
Imagine a flock of white swans. One completely black swan stands out as a shocking surprise—this visual captures the essence of an unexpected, paradigm-shifting event.
Conceptual Metaphor
THE HIGHLY IMPROBABLE, UNPREDICTABLE EVENT IS A BLACK SWAN.
Practice
Quiz
What is the key characteristic of a 'black swan' event in its modern metaphorical sense?