a. Obs. [UN-1 7 b and 5 b.] = UNFEASIBLE a.
1628. Mead, in Ellis, Orig. Lett., Ser. I. III. 268. Their works seem now altogether unfeisable.
1640. Sir K. Digby, in Lismore Papers, Ser. II. (1888), IV. 133. All those wayes were not onely very difficult and peradventure vnfeazable [etc.].
1673. S’ too him Bayes, 15. The bishop was a weak man, and laid an unfeisable design.
Hence † Unfeasableness; † Unfeasably adv.
1612. Woodall, Surg. Mate, Wks. (1653), 390. To brand it with pittiful inhibitions … and *unfeasablenesse [etc.].
1678. Cudworth, Intell. Syst., 682. Those small and pitiful attempts … only showing the unfeisableness and impossibility thereof.
1638. Junius, Paint. Ancients, 331. Workes … done by an unspeakable way of Art, delicatly, divinely, *unfeisably, etc. insinuate nothing els.
