undefinedKK [ˏʌndɪˋfaɪnd] /ˌʌndɪˈfaɪnd/發音形容詞1不明確的、模糊的、含糊的His role in the new team is still completely undefined.他在新團隊裡的角色到現在還完全不明確。2未界定的、未定義的正式The contract leaves several key duties undefined.這份合約對幾項主要義務並未加以界定。3未定義的、未設定的電腦、數學The program crashes because the variable is undefined.因為那個變數未定義,程式就當掉了。4不清楚的、看不清的In the fog, the mountains were just undefined gray shapes.在霧中,群山只是一團團看不清的灰影。