adamantine vs intransigent

adamantine and intransigent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
adamantine	No	Yes	No	No
intransigent	No	Yes	No	No

As adjectives, adamantine and intransigent are synonyms defined as:

adamantine and intransigent: impervious to pleas, persuasion, requests, reason

Other synonyms of adamantine include adamant, inexorable.

adamantine (adjective)	intransigent (adjective)
consisting of or having the hardness of adamant	impervious to pleas, persuasion, requests, reason
having the hardness of a diamond
impervious to pleas, persuasion, requests, reason