sexless vs unsexy

sexless and unsexy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sexless	No	Yes	No	No
unsexy	No	Yes	No	No

sexless (adjective)	unsexy (adjective)
sexually unattractive	not sexually aroused or arousing
having no or imperfectly developed or nonfunctional sex organs
having no sexual desire