certifiable

[sur-tuh-fahy-uh-buhl, sur-tuh-fahy-]

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.

Other Word Forms

• certifiableness noun
• certifiably adverb
• uncertifiable adjective
• uncertifiably adverb

Word History and Origins

Origin of certifiable¹

First recorded in 1840–50; certify + -able

Example Sentences

If the definition of insanity is doing the same thing over and over again and expecting different results, then Dave Roberts is clearly certifiable.

Read more on Los Angeles Times

As a certifiably hangry type, I know that my outlook on life gets bleaker when my blood sugar dips.

Read more on Salon

We’re living in an age in which many people are certifiably insane, or at least in denial.

Read more on Washington Times

Christmas curmudgeon Walter is not on board, believing his son is a “certifiably insane” man living under the deranged delusion that he is an elf.

Read more on Salon

Perhaps most significant, something else has changed since Trump first browbeat his way to the White House and into the hearts of Republicans: He’s now a certifiable, repeat loser.

Read more on Los Angeles Times

Related Words

• demented 
• deranged 
• frenzied 
• hysterical