sciolistic

/ˌsaɪəˈlɪstɪk/
adjective
  1. Showing a superficial or pretended knowledge of a subject; pretending to know more than one actually does.
    • His sciolistic comments about ancient history made the professor cringe.
    • She gave a sciolistic speech on climate change, mixing up basic scientific terms.
    • The article was full of sciolistic claims that sounded impressive but were factually wrong.
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