Overnight

Full definition of overnight

Adverb

1. Throughout the nightLet it run overnight and we'll check on it in the morning.
• 2012, November 20, Nina Bernstein, Storm Bared a Lack of Options for the Homeless in New York, Overnight, as the storm bore down on urban flood zones, city officials ramped up emergency spaces to shelter thousands more people, mostly in public schools and colleges.
2. During a single nightThey delivered the package overnight.
3. In a very short (but unspecified) amount of timeThe change seemed to happen overnight.

Adjective

1. Occurring between dusk and dawn.''The overnight ferry docked at 10AM.
2. Complete before the next morning.Don't expect results overnight.

Verb

1. (intransitive) To stay overnight; to spend the night. from 19th c.
• 2002, Colin Jones, The Great Nation, Penguin 2003, p. 128:His visits to Paris (which he had not allowed his son to visit until he was a teenager) became less frequent too: he never over-nighted there, for example, after 1744.
2. (transitive, US) To send something for delivery the next day. from 20th c.We can overnight you the documents for signature.

Noun

1. Items delivered or completed overnight.Have you looked at the overnights yet?
2. An overnight stay, especially in a hotel or other lodging facility.
3. (obsolete) The fore part of the previous night; yesterday evening.