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.

Origin:
1520–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences for allnight
He has been sleeping in allnight movie theaters and bus stations.
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