improper vs out-of-the-way

improper and out-of-the-way both are adjectives.

Word	Noun	Adjective	Verb	Adverb
improper	No	Yes	No	No
out-of-the-way	No	Yes	No	No

improper (adjective)	out-of-the-way (adjective)
not suitable or right or appropriate	remote from populous or much-traveled regions
not appropriate for a purpose or occasion	dealt with; disposed of
not conforming to legality, moral law, or social convention	improper or even offensive
	exceptional, unusual, or remarkable