s, a, o, b, e, l, n, m, r, t, u are letters that make 'unsurmountable'
tab, table, AB, ab, NT, UN, surmount, able, surmountable, mount, Ur, Sur, MO, LE, NSU, Mo, Ta, Ab, mo are words within 'unsurmountable'
2 possible definitions for 'unsurmountable'
Under this definition, unsurmountable is an adjective and has the following properties:
insurmountable has the same meaning as unsurmountable
surmountable has the opposite meaning of unsurmountable
insuperable, unconquerable are similar to 'unsurmountable'.
Under this definition, unsurmountable is an adjective and has the following properties:
unclimbable has the same meaning as unsurmountable
impassable, unpassable are similar to 'unsurmountable'.