immovable
adjective uk/ɪˈmuː.və.bəl/ us/ɪˈmuː.və.bəl/
不可移动的，固定的
fixed and impossible to move
The rock weighed over a ton and was completely immovable. 这块岩石重1吨以上，根本无法移动。
坚定不移的；不可动摇的
used to describe a firm opinion that is impossible to change, or someone with such an opinion