Word.ws English Dictionary

unfalsifiable

unfalsifiable adjective: not able to be proven false, but not necessarily true.

Adjective

unfalsifiable (not comparable)

  1. Not able to be proven false, but not necessarily true.
    • Conspiracy theories are designed to be unfalsifiable: every criticism can be dismissed as "whitewashing by the conspirers", and every concern can be summarized as "part of the greater conspiracy".
    • Popper introduced the so-called ‘demarcation problem’ of identifying what distinguishes pseudoscience from science. Popper's suggestion, as I explain below, is that, unlike real science, pseudoscience is unfalsifiable.2019, Kevin McCain, Kostas Kampourakis, editors, What is Scientific Knowledge?, Routledge, →ISBN
    Synonyms:
    undisprovable

Noun

unfalsifiable (plural unfalsifiables)

  1. A statement or argument that cannot be proven false, but is not necessarily true.

Synonyms of unfalsifiable

Antonyms

Forms of unfalsifiable

pluralunfalsifiables

Origin of unfalsifiable

From un- + falsifiable.

Words formed from unfalsifiable

Questions about unfalsifiable

What does unfalsifiable mean?
Unfalsifiable means not able to be proven false, but not necessarily true.
What part of speech is unfalsifiable?
Unfalsifiable can be an adjective or a noun.

Words near unfalsifiable in the dictionary

  1. unfallible
  2. unfalling
  3. unfallowed
  4. unfalse
  5. unfalsifiability
  6. unfalsifiable
  7. unfalsifiables
  8. unfalsifiably
  9. unfalsified
  10. unfalsity
  11. unfaltering

Source and license

Adapted from Wiktionary: unfalsifiable (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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