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1650s, "natural, simple, artless," from French naïve, fem. of naïf, from Old French naif "naive, natural, genuine; just born; foolish, innocent; unspoiled, unworked" (13c.), from Latin nativus "not artificial," also "native, rustic," literally "born, innate, natural" (see native (adj.)). Related: Naively.
naive na·ive or na·ïve (nä-ēv') or na·if or na·ïf (nä-ēf')
Lacking worldliness and sophistication.
Simple and credulous as a child.
Not previously subjected to experiments.
Not having previously taken or received a particular drug.