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  1. Oxford Dictionary

    ungrounded

    • IPA[ʌnˈɡraʊndɪd]

    英式

    • adj.
      having no basis or justification; unfounded；not electrically earthed
    • 釋義

    形容詞

    • 1. having no basis or justification; unfounded ungrounded fears
    • 2. not electrically earthed an ungrounded screen can act as an antenna
    • 3. not properly instructed or proficient in (a subject or activity).