unprepossessing vs unattractive

unprepossessing and unattractive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unprepossessing	No	Yes	No	No
unattractive	No	Yes	No	No

unprepossessing (adjective)	unattractive (adjective)
creating an unfavorable or neutral first impression	lacking beauty or charm
	lacking power to arouse interest
	not appealing to the senses