誰だれにだってMeanings1expression, pronounanyone; everyone; whoeverEmphatic expression meaning 'anyone at all' or 'everyone without exception', used with affirmative verbs. Similar to 誰にでも but more colloquial and emphatic.See also: 誰にでも (だれにでも)誰だれにだって失しっ敗ぱいはある。Everyone makes mistakes.誰だれにだってできる簡かん単たんな仕し事ごとだ。It's a simple job that anyone can do.