Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Capable of being certified.
  • adjective Fit to be declared mentally incompetent.

from The Century Dictionary.

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

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

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

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

  • adjective of a document That can, or that must be certified.
  • adjective informal, of a person Mentally ill to such an extent that involuntary institutionalization is appropriate; crazy.
  • noun informal A crazy person.

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

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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

certify +‎ -able

Examples

Comments

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

    July 14, 2008

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

    July 22, 2008

  • 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

  • WeirdNet, please rethink use of fit here.

    January 21, 2009

  • Truly.

    January 23, 2009