morning, noon, and night

idiom

Definition of morning, noon, and night

: during all times of the day : all the time The system is operating morning, noon, and night. We've been working morning, noon, and night to get the project finished on time.

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“Morning, noon, and night.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/morning%2C%20noon%2C%20and%20night. Accessed 20 Oct. 2020.

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