Diffidence is defined as lack of confidence or shyness.
An example of diffidence is the inability or fear of ever asking or answering a question in class.
lack of confidence in oneself, marked by hesitation in asserting oneself; shyness
Origin of diffidenceMiddle English ; from Classical Latin diffidentia ; from diffidens, present participle of diffidere, to distrust ; from dis-, not + fidere, to trust: see faith
The quality or state of being diffident; timidity or shyness.