unacknowledgedun•ac•knowl•edged /ˌʌnək'nɒlɪdʒd/

adj

1. 未被公认的；不被承认的

• The contribution of the professor was unacknowledged until he died five years ago. 那位教授的贡献直到五年前他去世的时候才得到承认。

• an unacknowledged authority 一位未被承认的权威

2. 未答复的；未被注意的

• The tap on the door by the little girl went unacknowledged. 那个小女孩的拍门声没有引起注意。