inquebrantable
Meanings
Adjective
1. unwavering, unshakeable, unbreakable, unswerving, unflinching, unfailing, unshaken, unfaltering, unyielding, steadfast, uncompromising, indomitable, unbroken, abiding, firm
Examples1
Nada podía enturbiar nuestra inquebrantable amistad.
Nothing could disturb our unshakeable friendship.