a. (UN-1 7 b.)
1647. Trapp, Comm. Rev. iii. 11. Not that crown of eternall life (for that is unloosable).
1662. Boyle, Examen, ii. 11. For they think Motion an unlooseable Property, congenit to Matter.
1690. C. Nesse, O. & N. Test., I. 272. Special saving grace is certainly unloseable.
1882. Lit. World (U.S.A.), 14 Jan., 15. It keeps them clean, smooth, in order, unlosable.