The term nonsense means that which is lacking in sense, language or words without meaning or conveying absurd or ridiculous ideas, 1610s, from non- "not" + sense (n.); perhaps influenced by French nonsens. Since mid-20c., non-sense, with the hyphen, has been used to distinguish the meaning "that which is not sense, that which is different from sense," not implying absurdity.

Be careful before calling an idea nonsense. Can our appendix actually serve as a haven for bacteria in the digestive system aiding in digestion while also providing immunity to disease? The lesson is something can be valuable without being valuable all the time. Check it out and do not be afraid of nonsense. Nonsense could save your life.

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Conveying a truth, absurdity masked in art, differential view