Too hard to be broken
Not compliant; not yielding; not pliant
Stubbornly resistant to change or unwaveringly loyal even in spite of inevitable defeat, failure, etc.
Grim is defined as stern or unmoving.
The definition of inexorable is a stubborn or inflexible person or a situation that cannot be changed.
Firm in mind or purpose; stubborn; unyielding; unshakable
The definition of iron is something that is strong and enduring.
Not easily moved to pity or sympathy; hardhearted
Having no pity or compassion; merciless.
Being an airship with a external frame made of rigid parts.
Stubborn is defined as being unwilling to change your opinion or stance, in spite of good reasons to.
Unwilling to grant concessions or negotiate; inflexible:
Refusing to yield or relent; inflexible; relentless
Incapable of being changed; unalterable:
Firmly, often unreasonably immovable in purpose or will
Find another word for adamantine. In this page you can discover 26 synonyms, antonyms, idiomatic expressions, and related words for adamantine, like: adamantean, adamant, brassbound, implacable, incompliant, die-hard, grim, inexorable, inflexible, intransigent and iron.