unshakeable• Most people believe what they are told most often, and the myth has become unshakeable.• This was a principle based on unshakeableauthority.• They both have an unshakeableconfidence in the rightness of their own opinions.• It filled his enemies with terror and his own troops with unshakeable faith and unquenchablebloodlust.• She'd paid bitterly and dearly for her unshakeableloyalty.• Only Lewis, unshakeablesymbol of dependability, stays his old self.• That can only happen properly if the fundamental, unshakeableunderstanding of Engineering is soundly built.