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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That cannot be proved or verified by any test

from The Century Dictionary and Cyclopedia

  • Not capable of being proved, demonstrated, confirmed, or established. Also spelled unproveable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not provable


un- +‎ provable (Wiktionary)



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