Middle English from Latin diffīdēnsdiffīdent-present participle ofdiffīdereto mistrustdis-dis-fīdereto trustbheidh- in Indo-European roots
American Heritage Dictionary of the English Language, 5th Edition
Latin present participle of diffidere ("to mistrust")
Diffident Sentence Examples
Princess Mary seemed even quieter and more diffident than usual.
Knows better, and is not diffident about saying so.
Richard sailed to England but was too diffident to visit his father's relatives.
He was at first diffident and embarrassed in speaking, but gradually overcame these difficulties, and was heard with much attention and deference, especially when he addressed the House on economic questions.
Building up the courage to visit a doctor You may feel very diffident or even scared at the prospect of going to a doctor.