irrationabilis

irrătĭōnābĭlis (inr-), e, adj.,

• without reason, irrational (post-class.; not in Quint., v. Spald. ad Quint. 2, 16, 16): error, Ap. Dogm. Plat. p. 21: motus, Amm.31, 12, 15.— Of musical intervals, = logica, proportional, harmonic: irrationabilia (sunt) quibus non subest ratio, Mart. Cap. 9, § 949.—Subst.: irrătĭōnābĭlĭa, ĭum, n., unreasoning creatures, Lact. 2, 2, 17.— Adv.: irrătĭōnābĭlĭter, irrationally, Amm.19, 10, 1; Tert. Poen. 2; Cael. Aur. Acut. 2, 37, 199.

irratiōnābilis, e, Adi. m. Compar. (in u. rationabilis), unvernünftig, Spät. – subst., irratiōnābilia, ium, n., unvernünftige Wesen, Lact. 2, 2, 17. – ➳ Bei guten lat. Schriftstellern (zB. Cels. prooem. p. 7, 1 D.) muß dafür irrationalis gelesen werden; s. Spalding Quint. 2, 16, 16.

irrationabilis [CL] 1 not exercising reason, unreasoning, irrational: a (of person or group; also as sb.); b (of animal; also as sb.); c (of inanimate). a [murus] vulgo ~i ‥ factus Gildas EB 15; hic inrationabilis populi et superborum principum unanimem collectionem ‥ describit Eccl. & Synag. 114; s1237 si talem excitaret seditionem in vulgo ~i et protervo M. Par. Min. II 347.  b factus est homo ad imaginem Dei in quo inrationabilibus antecellit Bede Gen. 30; qui ~ia [sc. animalia] gubernat, rationabilia curare non desinit Id. Luke 488; dicitis gallum, ~e [v. l. irrationale] animal, ipsius hore punctum cotidie scire Petrus Dial. 15; animalium ~ium Alex. Cant. Dicta 17 p. 174; per hoc ‥ differunt animalia ~ia ab homine Bacon VIII 122; pastor fidelium Christi pastori ovium ~ium ‥ assimilatur Ockham Dial. 857; nullus unquam in ~i pecude tantam sapienciam repperit Arthur & Gorlagon 18; ~ium bestiarum (Lit. Abb.) Reg. Whet. II 392.  c nonnumquam rationabilis creatura ~ium gestu et personis utitur et e diverso ~is sensusque vivacitate carens intellectualium gestu et voce fungitur, quemadmodum ‥ diversa lignorum genera ‥ loquentia ‥ Aldh. Met. 7. 2 (of thought, word, act, or procedure) lacking rational foundation, unreasonable. b (as sb. n.) irrational thing; c (math.) irrational quantity. patet ‥ error inrationabilis eorum qui praefixos in lege terminos ‥ transcendere praesumunt (Ceolfrith) Bede HE V 21 p. 337; cum ad tam ~is conclusionis diffugium vestrum deviet argumentum ‥ Petrus Dial. 7; cum ~i causa exigat tributum G. Mon. IX 16; s1141 vir audacie ~is H. Hunt. HA VIII 17; canes irrationibilis usus ad rabiem tumultus inflammat Lucian Chester 40; ~e est quod aliquid ‥ casuale ‥ induceret ‥ organizacionem membrorum in materia T. Sutton Gen. & Corrupt. 140; 1311 et hoc statutum est ‥ inrationabile Collect. Ox. II 218; s1302 rejiciente ‥ tanquam ~em illam excepcionem Graystanes 25; dicunt ipsa [sc. verba] tam ~ia esse Ockham Pol. I 45; 1350 nec ficcionem aliquam vel causam aliquam ~em absencie adinvenire StatOx 57.  b non sum tibi debitor ~ium, sed rationabilium et eorum quae regulis subjaceant Alcuin Gram. 882B.  c Duns Sent. II ii 9. 13 (v. irrationalis 3b). 3 (of animal) uncontrolled, unrestrained. 1477 J. W. tenet ij porcos irracionabil’ infra forestam DL Forest Proc. 2/8 r. 6; C. P. tenet ‥ j suem et iij spenynges infra dictam forestam irracionabil’ ad magnum detrimentum fundi et soli foreste Ib. r. 6; 1530 suem ~em (v. anserulus).

irrătĭōnābĭlis, e (in, rationabilis), dépourvu de raison, irraisonnable : Amm. 31, 12, 15 || pl. n. , les animaux, les brutes : Lact. Inst. 2, 2, 17.