adv. ? Obs. [UN-1 11, 5 b: cf. prec.] Without doubt; indubitably.

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c. 1425.  St. Eliz., in Anglia, VIII. 107/26. Þoos þinges þat I perceyued vndoutably with myn eyen.

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c. 1449.  Pecock, Repr., I. v. 26. Hise iij. parties schal conferme vndoutabli al what is seid here.

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a. 1513.  Fabyan, Chron., VII. ccxxi. 244. Where thou sayest … that Gregory myght … haue confirmed all things vndowtably with this worde,… that is sothe.

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