UNSHAKEABLE Meaning of UNSHAKEABLE in English un ‧ shake ‧ a ‧ ble BrE AmE , unshakable /ʌnˈʃeɪkəb ə l/ adjective an unshakeable faith, belief etc is very strong and cannot be changed or destroyed Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012