a. (UN-1 7 b.)
1549. Compl. Scot., xi. 98. That place stude betuix tua strait montanis inhabitabil and onmontabil.
1603. Knolles, Hist. Turks (1621), 938. Hauing left the fennes of Meotis, and the vnmountable shores of the Blacke sea.
a. 1608. Sir F. Vere, Comm. (1657), 11. Being reared of a good height with earth, and then with gabions set therevpon of six foot high, made almost unmountable.