Definition of "unfalsifiable"

unfalsifiable

adjective
not comparable
1. (of a statement or argument) Not able to be proven false, but not necessarily true.
  Quotations
  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
  Unfalsifiability: The main problem with any particular conspiracy theory is not that it's wrong, but that it's inarguable; not that it's false, but that it is unfalsifiable.
  2020, Maj Dr. Ebenezer Kwakye Agyemang (Rtd), DECODING 2019 NOVEL CORONAVIRUS: Outbreak: Conspiracies: Impact, page 153
noun
plural unfalsifiables
1. A statement or argument that cannot be proven false, but is not necessarily true.