unshakeable
adjective
UK/ʌnˈʃeɪ.kə.bᵊl/
US/ʌnˈʃeɪ.kə.bᵊl/
Definitions of unshakeable adjective
Possessing a firm and unwavering trust or belief that cannot be weakened or destroyed.
He had an unshakeable confidence in his team's success.
Despite facing numerous challenges, her belief in her goals remained unshakeable.
They shared an unshakeable friendship.