overnight

adverb B2

Meaning

The adverb "overnight" refers to something that happens or is completed during the night or in a very short period of time, often implying a rapid change or development.
💡 A common mistake is to confuse "overnight" with "over night," which is incorrect in this context.

Example Sentences

Did the weather change overnight in your city ?
The results of the experiment were analyzed overnight for accuracy .
The weather changed overnight , and now it's very cold outside .
The weather changed overnight , causing unexpected problems for travelers .

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