a. [UN-1 7 b.] Not allowable; inadmissible, impermissible.
1560. Daus, Sleidanes Comm., ij b. He neyther bringeth Scripture for hym, nor any thinge out of the auncient Doctours, but certein dreames of his owne, receiued of scoolemen by an vnallowable euill custome.
1577. trans. Bullingers Decades (1592), 134. If we shall goe about to performe those vnallowable othes, then shal we incurre the heauie wrath of the reuenging Lorde.
1645. Milton, Tetrach., To Parlt. A 2 b. It can be no immoderate, or unallowable course of seeking so needfull reparations.
a. 1678. H. Scougal, Disc. Imp. Subj. (1735), 268. An unallowable patience in hearing his master dishonoured.
1726. Butler, Serm., Pref. It is very unallowable for a work of imagination or entertainment not to be of easy comprehension.
1799. Monthly Rev., XXVIII. 526. The inferences deduced from them would still be unallowable.
1842. De Morgan, Diff. & Int. Calc., 384. An infinite number of unallowable points.
1867. Macfarren, Harmony, ii. 40. Whatever is unallowable for all the notes is, of course, forbidden for each particular one.