delirious /dɪˈlɪə̯.ɹi.əs/ adjective2 •Being in the state of delirium.Or has the shock, so harshly given, […] made me that delirious man Whose fancy fuses old and new, And flashes into false and true, And mingles all without a plan? — 1850 •Having uncontrolled excitement; ecstatic. formsmore delirious · most delirious