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prisoner's dilemma

American  

noun

  1. (in game theory) a scenario in which the outcome of one person's decision is determined by the simultaneous decisions of the other participants, resulting in a bad outcome for all of them if all act in their own self-interest.


Etymology

Origin of prisoner's dilemma

From a dilemma in which partners in crime must decide whether to confess, without knowing each other's decision

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

SpaceX could use strategies such as the prisoner’s dilemma, approaching one wireless company to force others to the table.

From Barron's • Apr. 28, 2026

“There’s a prisoner’s dilemma going on,” Conger said.

From The Wall Street Journal • Apr. 24, 2026

In psychology, what has happened with car size is known as the prisoner’s dilemma.

From Slate • Jun. 22, 2025

Individuals have different motivations and reasons to collaborate, resulting in social dilemmas, such as the well-known prisoner's dilemma.

From Science Daily • Feb. 26, 2024

The prisoner’s dilemma owes its name to a scenario, formally identical to the one above, wherein two men suspected of a major crime are apprehended in the course of committing some minor offense.

From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos

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