The meaning of OVERNIGHT is on the evening before. How to use overnight in a sentence. Let’s start by clearing up any confusion: overnight is the correct spelling so long as you mean to describe something that took place “all through the night.” In most cases, over night (two words) would be incorrect and possibly considered a typo.

Understanding the Context

Overnight vs. Over Night: Which Is Correct? - The Blue Book of Grammar ... OVERNIGHT is the newest channel from your friends at TFIL!

Key Insights

After 5 years of creating content in the paranormal realm at some of the most well known locations around the world, we've created this... Overnight can be an adjective or an adverb. Either way, it refers to something that happens in the span of time between one day and the next day. You can stay overnight if you want to. Don't forget to pack an overnight bag (= a bag for things that you need when you stay away from home for a night).

Final Thoughts

1. During or for the length of the night: Let the meat marinate overnight. 2. In or as if in the course of one night; suddenly: became a sensation overnight. OVERNIGHT definition: for or during the night. See examples of overnight used in a sentence.