Unfamiliar; strange; hence, mysterious; dreadful; also, odd; awkward; boorish; as, uncouth manners.

lacking refinement or cultivation or taste; "he had coarse manners but a first-rate mind"; "behavior that branded him as common"; "an untutored and uncouth human being"; "an uncouth soldier--a real tough guy"; "appealing to the vulgar taste for violence"; "the vulgar display of the newly rich"

Uncommon; rare; exquisite; elegant.

Unknown.