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trilemma

American  
[trahy-lem-uh] / traɪˈlɛm ə /

noun

  1. a situation, analogous to a dilemma, in which there are three almost equally undesirable alternatives.

    His trilemma consisted in not knowing whether to acknowledge receipt, deny it, or simply leave.

  2. Logic. a form of argument in which three choices are presented, each of which is indicated to have consequences that may be unfavorable.


trilemma British  
/ traɪˈlɛmə /

noun

  1. a quandary posed by three alternative courses of action

  2. an argument one of the premises of which is the disjunction of three statements from each of which the same conclusion is derived

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trilemma

First recorded in 1665–75; tri- + (di)lemma

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.

See Examples For:

The trilemma traditionally means balancing three key areas: Delivering strong shareholder distributions; maintaining a healthy balance sheet and investing in reserves—whether that is traditional oil and gas or expanding into alternative energy assets.

From The Wall Street Journal Oct. 16, 2025

But the book’s main conclusion is that there is no winning the trilemma, and no resolution to a bankrupt transit agency, city, or state that is going to make everyone happy.

From Slate Jun. 5, 2023

Faced with this trilemma, most rich countries let the currency float freely.

From Economist Jun. 28, 2018

That is what some call the energy "trilemma" because, at least in the short term, those three objectives can appear to be in conflict.

From BBC Nov. 26, 2013

There is no getting out of this trilemma.

From The Teaching of Jesus by George Jackson

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