1660. R. Coke, Power & Subj., 38. Extorting it [sc. dominion] from their rightful Kings in whom it undubitably was.
1709. Mrs. Manley, Secret Mem. (1720), I. 219. That to be well receiv’d, it is undubitably necessary to become useful to those we would recommend ourselves to.
1778. Steevens, in Shaks. Wks., Tit. A., VIII. 561. The performances on which the seal of Shakespeare is undubitably fixed.
1890. Retrospect Med., CII. 133. The beneficial effect of the operation was thus undubitably established.
