You may keep in mind that the prefix non- suggests “not” by using the phrase nonpoisonous, for just a substance which is nonpoisonous is “not” toxic. Being an interjection to negate what was said just before or reveal it as sarcasm, it is attested by 1900, popularized 1989 by "Wayne's https://elliotzfkpw.tkzblog.com/26864792/papiertaschen-for-dummies