wear thin vs wear out

wear thin and wear out both are verbs.

Word	Noun	Adjective	Verb	Adverb
wear thin	No	No	Yes	No
wear out	No	No	Yes	No

As verbs, wear thin and wear out are synonyms defined as:

Other synonyms of wear thin include wear, wear down, wear off.

wear thin (verb)	wear out (verb)
deteriorate through use or stress	exhaust or get tired through overuse or great strain or stress
	deteriorate through use or stress
	go to pieces