unknowledgeable

/ˌʌnˈnɑlɪdʒəbəl/
adjective
  1. Lacking knowledge or information about a particular subject.
    • He gave an unknowledgeable answer that showed he hadn't studied.
    • The guide was unknowledgeable about the history of the castle.
    • I felt unknowledgeable during the discussion about physics.
What does "unknowledgeable" mean? | whatsthatwordmean | whatsthatwordmean