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trolley-problem

/ˈtrɒl.i ˌprɒb.ləm/
IELTSAcademic
noun

A thought experiment in ethics. It asks what you should do when any choice causes harm, and one choice harms fewer people.

  • The trolley problem has no easy answer.
  • We discussed the trolley problem in class.
  • It tests moral decision-making.

Adinary Nuance

A trolley problem is not a real-life trolley issue. It is a moral puzzle used in philosophy, so it is closer to a thought experiment than an everyday problem. People use it to compare hard choices, not to describe ordinary trouble.

In other languages

Vietnamese
bài toán xe điện
Spanish
dilema del tranvía
Chinese
电车难题
Japanese
トロッコ問題
Korean
트롤리 딜레마

Etymology

The term comes from an ethics thought experiment first discussed in the 1960s and 1970s. It imagines a runaway trolley and a forced choice between harmful outcomes.

Common phrases

the trolley problema classic trolley problema trolley-problem scenario

Synonyms

Related words

Frequently asked questions

Is trolley problem a real-life situation?
No. It is a philosophy example used to discuss hard moral choices.
What is the difference between a trolley problem and a dilemma?
A dilemma is any hard choice. A trolley problem is a specific ethical puzzle.
Is trolley problem used in academic writing?
Yes. It is common in philosophy, ethics, and AI discussions.