certifiable

UK: /ˌsɜː^rtɪˈfaɪəb^əl/

US: /ˌsɝtɪˈfaɪəbəl/

US: (sûr′tə fī′ə bəl, sûr′tə fī′-)

WordReference Random House Learner's Dictionary of American English © 2026

cer•ti•fi•a•ble /ˌsɜrtɪˈfaɪəbəl/   adj. 

1. that can be certified:
   certifiable evidence.
2. insane:
   This weird behavior shows that she's certifiable.
cer•ti•fi•a•bly, adv. See -cert-.

WordReference Random House Unabridged Dictionary of American English © 2026

cer•ti•fi•a•ble  (sûr′tə fī′ə bəl, sûr′tə fī′-), adj. 

1. capable of being certified.
2. legally committable to a mental institution.
3. Slang Terms [Sometimes Facetious.] fit or ready for an insane asylum.
4. uncontrollable;
   insane:
   a certifiable desire.

• certify + -able 1840–50

cer′ti•fi′a•ble•ness, n. 
cer′ti•fi′a•bly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

certifiable / ˈsɜːtɪˌfaɪəb^əl/ adjective

1. capable of being certified
2. fit to be certified as legally insane

ˈcertiˌfiably adverb