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certifiable

[sur-tuh-fahy-uh-buh l, sur-tuh-fahy-]
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adjective
  1. capable of being certified.
  2. legally committable to a mental institution.
  3. Sometimes Facetious. fit or ready for an insane asylum.
  4. uncontrollable; insane: a certifiable desire.
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Origin of certifiable

First recorded in 1840–50; certify + -able
Related formscer·ti·fi·a·ble·ness, nouncer·ti·fi·a·bly, adverbun·cer·ti·fi·a·ble, adjectiveun·cer·ti·fi·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for certifiably

certifiable

adjective
  1. capable of being certified
  2. fit to be certified as insane
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Derived Formscertifiably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for certifiably

certifiable

adj.

1846, from certify + -able. Meaning "so deranged as to be certifiably insane" is recorded from 1912.

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Online Etymology Dictionary, © 2010 Douglas Harper

certifiably in Medicine

certifiable

(sûr′tə-fīə-bəl)
adj.
  1. That can or must be certified. Used of infectious, industrial, and other diseases that are required by law to be reported to health authorities.
  2. Relating to or being a person showing disordered behavior of sufficient gravity to justify involuntary mental hospitalization.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.