unmovable
/ʌnˈmuvəbəl/Definitions
1. adjective
Impossible to move or be moved; firmly fixed or established.
“The unmovable object stood in the middle of the room.”
2. noun
A person or thing that is impossible to move or be moved.
“The unmovable became a symbol of strength and determination.”
3. adverb
In a way that is impossible to move or be moved.
“The team played unmovable defense throughout the game.”