1565. Cooper, Thesaurus, Inuiolabilis, vnuiolable.
1583. Golding, Calvin on Deut. iii. 14. This order ought to be vnuiolable.
1596. Sir H. Knyvett, Def. Realme, Ded. (1906), 9. The fountaine of unviolable faith.
1624. Capt. Smith, Virginia, IV. 144. Such a firme peace, as most men there thought sure and vnuiolable.
1656. Earl Monm., trans. Boccalinis Advts. fr. Parnass., II. lxi. (1674), 213. Religion, Faith, and unviolable Friendship.
1718. Rowe, trans. Lucan, 255. Who views the Gorgons with intrepid Eyes, And your unviolable Flood defies?
Hence † Unviolably adv. Obs.
1534. trans. Lyndwodes Const. Provinc., 3 b. We charge & commaunde the constitucions to be vnuiolably obserued & kept.
1647. Hexham, I. Vnviolablely, onverderffelicken.