emphasis If you describe someone's beliefs as unshakeable, you are emphasizing that they are so strong that they cannot be destroyed or altered. She had an unshakeable faith in human goodness and natural honesty. unshakable an unshakeable faith, belief etc is very strong and cannot be changed or destroyed
marked by firm determination or resolution; not shakable; "firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty"