"Certifiable" Natural Recordings by Native Speakers
"Certifiable" is an informal adjective that means extremely crazy, insane, or unstable. It is often used to describe someone or something that is wildly unpredictable, irrational, or beyond the bounds of normal behavior.
The word "cert" is short for "certificate", which is a document that serves as proof or evidence of something, often with a verification of skills, qualifications, or accomplishments.
The word "certainly" is an adverb that means "to a definite extent" or "without a doubt". It is often used to express agreement, confirmation, or emphasis, and can be used in responses to questions, such as "Yes, certainly" or "I will, certainly". It can also be used to express strong feeling or conviction, such as "I certainly disagree with that".
Certificates are official documents that serve as proof of achievement, recognition, or accreditation in a particular field or activity. They are often issued by an organization, institution, or government agency to individuals who have met specific requirements or standards. Examples of certificates include graduation certificates, diplomas, certificates of completion, and certification of skills or expertise.