c. 1450. Cov. Myst. (Shaks. Soc.), 252. There xul ȝe ffyndyn An asse tyed Unlosne þat asse, and brynge it to me.
1586. D. Rowland, Lazarillo, II. (1672), M 6. A Cord fastened about my foot, which was tied to a great Chest which though I could, I would not unloosen.
1610. Markham, Masterp., II. xlix. 294. Forget not to vnloosen the list and to take it away.
1650. Earl Monm., trans. Senaults Man bec. Guilty, 335. God would teach us that accidents might be unloosened from their substance.
1782. V. Knox, Ess., ii. I. 11. Fix them [sc. religious principles] deeply in your bosom, and let them go with you unloosened and unaltered to the grave.
c. 1845. J. T. Goodsir, in Ch. Scot. Pulpit, I. 248. Whose power unloosened the dumb tongue of conscience.
1863. P. Barry, Dockyard Econ., 189. Ankle chains riveted together, never to be unloosened night nor day.
Hence Unloosening vbl. sb.
1867. E. S. Purcell, in Ess. Relig. & Lit., Ser. II. 476. Everything tends to the unloosening of all bonds between society and the Church.