overnight的近义词是：suddenly突然地；at once立刻。overnight的详尽释义是adv.(副词)突然通宵，从夜晚到天亮整夜， 一整夜在前一天晚上，昨晚，昨夜一晚上在晚上，在夜间一夜间，一夜工夫，一夜之内旋即，很快，转瞬之间。overnight的读音是英[ˌəʊvə'naɪt]；美[ˌoʊvər'naɪt]。
一、详尽释义点此查看overnight的详细内容
二、英英释义
"a nightlong vigil"
"an all-night drugstore"
"an overnight trip"
"the fish marinates overnight"
"these solutions cannot be found overnight!"
三、网络解释
1. 隔夜：一般只有两种情况,一是在交易当日进行第一笔交易的交割,次日进行方向相反的第二笔交易的交割,这被称为隔夜(Overnight)掉期交易,英文简称为O/N. 二是交易次日进行第一笔交易的交割,即期交割日进行第二笔交易的交割,
2. 一夜之间的：★overland adj. 陆上的 |overnight 一夜之间的 | overpopulated 人口众多的
3. 整夜：04 When two worlds collide 当两个世界碰撞 | 05 I'm getting better 伤口渐渐愈合 | 06Overnight 整夜
四、例句
The wind had strengthened overnight.
夜里，风更大了。
The city was conquered overnight.
那座城市在夜里被攻克。
They kept her in hospital overnight.
他们留她在医院过夜。
I stayed overnight at a friend's house.
我在朋友家过了一夜。
All arrangements for your stay overnight on September10 will, of course, be made by us at our expense.
当然,所有安排您在9月10日晚间夜宿的费用,将皆由本公司代为支付。
His plans were transformed overnight into reality.
他的计划迅速变为现实。
The band became a sensation overnight.
一夜之间，这支乐队名声大振。
Overnight rain will end by morning.
下了整晚的雨会在早上停止。
The book was an overnight success.
这本书很快获得了成功。
The actress won overnight fame with her first film.
这个女演员的第一部电影使她一举成名。
五、常见句型
六、经典引文
Mary Ann went..to visit..staying overnight with the Samuel Evanses.
出自：G. S. Haightovernight的相关近义词
suddenly、at once、quickly、instantly、abruptly、immediately、instantaneously、instant、immediate、abrupt、instantaneous、sudden、rapid、dramatic、meteoric、nightlong、all-night
overnight的相关临近词
overpower、overlook、overnighter、overnight bag、overnight trip、overnight loan、overnight race、overnight pass、overnight stay、overnight fame、overnight rate、overnight mail