The definition of adamant is someone who will never change his mind, or something that will never be changed.
Incapable of being changed; unalterable:
Impossible to alter:
Not yielding; inflexible:
Not to be altered; immutable:
Find another word for carved-in-stone. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for carved-in-stone, like: adamant, dyed-in-the-wool, firm, inflexible, unalterable, unbending, uncompromising, unchangeable and set-in-stone.