Here are some synonyms for unconquerable:
* Invincible
* Indomitable
* Unbreakable
* Impregnable
* Insurmountable
Here are some examples of how "unconquerable" is used:
* "The human spirit is unconquerable, even in the face of adversity."
* "The fortress was considered unconquerable due to its thick walls and strategic location."
* "Her determination to succeed was unconquerable, and she eventually achieved her goals."
The word "unconquerable" is often used to describe things or people who possess a strong sense of purpose, unwavering belief, or remarkable courage.