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 diffīdēns diffīdent- present participle of diffīdere to mistrust dis- dis- fīdere to trust ; see bheidh- in Indo-European roots.
(comparative more diffident, superlative most diffident)
Latin present participle of diffidere ("to mistrust")