Word.ws English Dictionary

dialetheism

US/ˌdaɪ.əˈlɛθ.i.ɪz.əm/

dialetheism noun: the theory that statements can be both true and false at the same time and in the same sense. The opposite of the law of noncontradiction.

Noun

dialetheism (usually uncountable, plural dialetheisms)

  1. (usually) The theory that statements can be both true and false at the same time and in the same sense. The opposite of the law of noncontradiction.
    • [It] is important to point out that endorsing dialetheism is not the same as rejecting logic or rational argumentation.2005, Laurence Goldstein, Logic: key concepts in philosophy, page 158
    Synonyms:
    dialethism

Synonyms of dialetheism

Antonyms

Forms of dialetheism

pluraldialetheisms

Origin of dialetheism

Coined by Graham Priest and Richard Routley, from di- + Ancient Greek ἀλήθεια (alḗtheia, “truth”), in 1981.

Words formed from dialetheism

Questions about dialetheism

What does dialetheism mean?
Dialetheism means the theory that statements can be both true and false at the same time and in the same sense. The opposite of the law of noncontradiction.
What part of speech is dialetheism?
Dialetheism is a noun.
How do you pronounce dialetheism?
Dialetheism is pronounced /ˌdaɪ.əˈlɛθ.i.ɪz.əm/ (US).
What is the plural of dialetheism?
The plural of dialetheism is dialetheisms.

Words near dialetheism in the dictionary

  1. dialer
  2. dialers
  3. dialetheia
  4. dialetheias
  5. dialetheic
  6. dialetheism
  7. dialetheisms
  8. dialetheist
  9. dialetheists
  10. dialethic
  11. dialethism

Source and license

Adapted from Wiktionary: dialetheism (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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