- The definition of certitude means absolute confidence in something or an unquestioning belief in something.
People who are very religious express certitude about their faith.
- a feeling of absolute sureness or conviction
- sureness; inevitability
Origin of certitudeOld French ; from Ecclesiastical Late Latin certitudo ; from Classical Latin certus, certain
- The state of being certain or convinced of something; complete assurance; confidence: Who can say with certitude how strong the economy will be next year?
- Something that is assured or believed to be true: “serene certitudes instilled in me by my family and teachers” (Garry Wills).
Origin of certitudeMiddle English, from Late Latin certitūdō, from Latin certus, certain; see certain.