all hours

plural noun
Updated on: 11 Nov 2017

Definition of all hours

:a very late time
  • stayed up until all hours

Recent Examples of all hours from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'all hours.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of all hours

1668


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