An example of diffident is a young man who is afraid to sign up for the football team.
Origin of diffidentClassical Latin diffidens: see diffidence
Origin of diffidentMiddle English, from Latin diff&imacron;d&emacron;ns, diff&imacron;dent-, present participle of diff&imacron;dere, to mistrust : dis-, dis- + f&imacron;dere, to trust; see bheidh- in Indo-European roots.
(comparative more diffident, superlative most diffident)
Latin present participle of diffidere ("to mistrust")