unfaltering vs unwavering

unfaltering and unwavering both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unfaltering	No	Yes	No	No
unwavering	No	Yes	No	No

As adjectives, unfaltering and unwavering are synonyms defined as:

unfaltering and unwavering: marked by firm determination or resolution; not shakable

Other synonyms of unfaltering include firm, steadfast, steady, stiff, unbendable, unshakable.

unfaltering (adjective)	unwavering (adjective)
marked by firm determination or resolution; not shakable	marked by firm determination or resolution; not shakable
	not showing abrupt variations