from The Century Dictionary.

  • noun Weakness; infirmity.
  • noun Lack of validity; want of cogency, force, or efficacy; specifically, lack of legal force: as, the invalidity of an argument or of a will.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Lack of validity or cogency; lack of legal force or efficacy; invalidness.
  • noun obsolete Lack of health; infirmity.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The state of being invalid; lack of validity.

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

  • noun illogicality as a consequence of having a conclusion that does not follow from the premisses


Sorry, no etymologies found.



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