1525. Ld. Berners, Froiss., II. cliii. 163 b/2. If they be [broken], ye ryn in the churches sentence, and to be excommunycate on payne vnpardonable.
1561. T. Norton, Calvins Inst., I. xiii. 36 b. An vnpardonable crime.
1647. Clarendon, Hist. Reb., I. § 66. The Earl thought the very suspecting him to be an injury unpardonable.
1676. Glanvill, Seasonable Reflect., 23. We may conclude safely from the Doctrine of the Apostle, that they are incurable and unpardonable.
1712. Steele, Spect., No. 312, ¶ 1. The most unpardonable Malefactor in the World.
1827. Lytton, Pelham, iv. A most unpardonable fault.
1882. Miss Braddon, Mt. Royal, I. ii. 51. There was nothing unpardonable in Miss Bridgemans plainness.
b. As adv. Unpardonably.
1662. Hickeringill, Apol. Distressed Innoc., Wks. 1726, I. 316. He is unpardonable credulous that will lend an Ear to your noise of the Gospel.