What does "certifiable" mean?
A crazy person.
adj, noun, slang ·Moderate ·College level
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"Forget the certifiables who are scrawling Hitler mustaches on pictures of the president."
"If any person said to you in 1950 that in seventeen years Miss Stalin would defect to the West, you would rightly have considered that person certifiable. She has now done it, with impressive smoothness and conviction."
"Tom is a certifiable pain in the ass."
A crazy person.
Common synonyms include: approvable, assessable, auditable, catatonic, certified, crazy.
Tom is a certifiable pain in the ass.
From certify + -able.