improperly vs properly

improperly and properly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
improperly	No	No	No	Yes
properly	No	No	No	Yes

improperly (adverb)	properly (adverb)
in an improper way	in the right manner; correctly; suitably
	in accordance with what is appropriate or suitable for the circumstances
	indicating exactness or preciseness