OVERNIGHT

Items delivered or completed overnight.

"Have you looked at the overnights yet?"

An overnight stay, especially in a hotel or other lodging facility.

(in the plural) Viewership ratings for a television show that are published the morning after it is broadcast, and may be revised later on.

To stay overnight; to spend the night.

To send something for delivery the next day.

"We can overnight you the documents for signature."

Occurring between dusk and dawn.

"The overnight ferry docked at 10AM."

Complete before the next morning.

"Don't expect overnight delivery."

Of an activity or event in which participants stay overnight.

"They sent their kids to overnight camp."

During or throughout the night, especially during the evening or night just past.

"Let it run overnight and we'll check on it in the morning."

In a very short (but unspecified) amount of time.

"The change seemed to happen overnight."