Adjective
That can or must be certified.
Usage- of a document
Mentally ill to such an extent that involuntary institutionalization is appropriate; crazy.
Usage- Informal
- of a person
- Examples
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More examples (1)
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.
Noun
A crazy person.
Usage- Informal
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Forget the certifiables who are scrawling Hitler mustaches on pictures of the president.
Adjective
fit to be certified as insane (and treated accordingly)
- Synonyms
capable of being guaranteed or certified
- Examples
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a certifiable fact