inexorable vs adamantine

inexorable and adamantine both are adjectives.

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

As adjectives, inexorable and adamantine are synonyms defined as:

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

Other synonyms of inexorable include adamant, intransigent.

inexorable (adjective)	adamantine (adjective)
not to be placated or appeased or moved by entreaty	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