from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. That can be certified: a certifiable fact; certifiable data.
  • adj. Fit to be declared insane.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That can, or that must be certified.
  • adj. Mentally ill to such an extent that involuntary institutionalization is appropriate; crazy.
  • n. A crazy person.

from the GNU version of the Collaborative International Dictionary of English

  • adj. presenting symptoms of mental illness sufficient for legal commitment to a mental institution.
  • adj. capable of being guaranteed or certified: a certifiable fact.

from The Century Dictionary and Cyclopedia

  • Capable of being certified or attested: as, certifiable results.

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

  • adj. fit to be certified as insane (and treated accordingly)
  • adj. capable of being guaranteed or certified


from Wiktionary, Creative Commons Attribution/Share-Alike License

certify +‎ -able


  • My bank statements showed, consistently, deposits every month that exceeded the required $1000 minimum, but the only "certifiable" deposit was SS, which was $8 short.

    Anyone gotten FM3 from NYC Mexican Consulate????

  • If Mailer's more sane than he used to be, then he used to be "certifiable".

    Old age is cool.

  • The people that are "certifiable" are you all that keep crying, "the sky is falling! the sky is falling!".

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  • I certainly agree with sick here though, we most certainly must be considered "certifiable" based on our posting

    Denver Post: News: Breaking: Local

  • I noticed the same thing ... and was quite positive it meant "certifiable" ... well in Thanks for the explanation.

    Denver Post: News: Breaking: Local

  • Along comes one municipality after another, from Boston to Los Angeles, that decides that a voluntary market-based incentive to build certified green buildings is not enough and so they enact ordinances that mandate that private buildings be LEED certified, LEED "certifiable" or meet the "intent of LEED."


  • (In addition to Bush’s head problem, given Cheney’s views, would anyone be surprised if he were some kind of certifiable paranoid?) As said, the situation is very bad, very bad indeed, and it may not be too pessimistic, but only realistic, to say that conceivably there is nothing to do but wait it out.

    Dr. Demento In The Oval Office

  • "certifiable" you'll need to catch me first, lots of luck. Main RSS Feed

  • And Michelle Bachmann, who may actually be certifiable?

    Palin's PAC steps up contributions to GOP candidates

  • Your citizens have turned out to be certifiable nuts, easily misled with misinformation disseminated by people whose IQ is less than their shoe size.

    Obama to meet with Mexican, Canadian leaders


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  • Truly.

    January 23, 2009

  • WeirdNet, please rethink use of fit here.

    January 21, 2009

  • Who do you think ought to be committed there, Reesetee? :) I think it should be people who witter inanities nonstop. Or just plain inane people.

    July 22, 2008

  • Mia, I first read that as "inane asylum," a concept infinitely more frightening to me than the alternative.

    July 22, 2008

  • certifiable – able to be guaranteed; able to be authorized; confirmable; insane, legally able to be committed to an insane asylum

    July 14, 2008