As an interjection to negate what was said prior to or expose it as sarcasm, it truly is attested by 1900, popularized 1989 by "Wayne's Environment" sketches on "Saturday Evening Reside" TV display. When should really the prefix "non" be accompanied by a hyphen? That is appropriate: "a non-polar molecule" https://non08642.wikiannouncing.com/5101343/top_woven_secrets