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 .
From Middle French certitude, from Late Latin certitudo, from Latin certus