all-night

[awl-nahyt]

adjective

1. taking up, extending through, or occurring continually during an entire night; nightlong.

   an all-night vigil.

2. open all night, as for business; providing services, accommodations, etc., at all hours of the night.

   an all-night restaurant.

Word History and Origins

Origin of all-night¹

First recorded in 1520–30