inaccessibly located or situated; "an unapproachable chalet high in the mountains"; "an unreachable canyon"; "the unreachable stars"
7
invincible
incapable of being overcome or subdued; "an invincible army"; "her invincible spirit"
6
extraordinary
beyond what is ordinary or usual; highly unusual or exceptional or remarkable; "extraordinary authority"; "an extraordinary achievement"; "her extraordinary beauty"; "enjoyed extraordinary popularity"; "an extraordinary capacity for work"; "an extraordina