inexorable vs grim

inexorable and grim both are adjectives.

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

As adjectives, inexorable and grim are synonyms defined as:

inexorable and grim: not to be placated or appeased or moved by entreaty

Other synonyms of inexorable include relentless, stern, unappeasable, unforgiving, unrelenting.

inexorable (adjective)	grim (adjective)
not to be placated or appeased or moved by entreaty	shockingly repellent; inspiring horror
impervious to pleas, persuasion, requests, reason	filled with melancholy and despondency
	causing dejection
	not to be placated or appeased or moved by entreaty
	harshly ironic or sinister
	harshly uninviting or formidable in manner or appearance