unfalsifiable

adj

1. (not-comparable)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 concerns 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.”

   “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.”

noun

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