overdue /ˌoʊvɚˈduː/ Brit /ˌəʊvəˈdjuː/ adjective /ˌoʊvɚˈduː/ Brit /ˌəʊvəˈdjuː/
adjective
Learner's definition of OVERDUE
1
: not paid at an expected or required time（到期）未付的，未还的 2
: not appearing or presented by a stated, expected, or required time未能准时的；延误的；过期的 -
The train is 10 minutes overdue.火车晚点10分钟。
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Her baby is overdue by one week. [=her baby has not been born yet and it is a week since its birth was expected]预产期已经过了一个星期，她的宝宝还没出生。
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an overdue library book逾期未还的图书馆图书
3
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used to say that something should have happened or been done before now早该发生的；早该做的