Adjective: unconquerable ,ún'kóng-ku-ru-bul
- Not capable of being conquered, vanquished or overcome
"a tribute to his courage … and his unconquerable will"; "faced unconquerable difficulties"
- Incapable of being surmounted or excelled
"unconquerable odds";
- insuperable
See also: all-victorious, impregnable [rare], indomitable, inexpugnable, insuperable, insurmountable, invincible, invulnerable, never-say-die, unbeatable, undefeatable, unsubduable, unsurmountable, unvanquishable
Antonym: conquerable