by day
idiom
: during the day : in daylight
She's a student by day and a waitress at night.
The area looks a lot nicer by day.
Examples of by day in a Sentence
Recent Examples on the Web
Does a person with this much contempt for texts by day insist on reading aloud to his kids at night?
—
Vinson Cunningham, New Yorker, 12 July 2025
Her organization helps bats across Italy, but it’s headquartered in Rome, where at least nine species of bats gobble mosquitos and other insects each night and tuck into the eaves of buildings by day.
—Krista Langlois, Smithsonian Magazine, 7 July 2025
Then, by day 14, this layer had thinned, but the epidermis had continued to thicken, indicating that VC was having a deeper cellular impact.
—New Atlas, 6 July 2025
In later seasons, Bobby Cannavale plays Irving, a Dark Army fixer by night and car salesman by day.
—Lauren Huff, EW.com, 4 July 2025
See All Example Sentences for by day
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Vinson Cunningham, New Yorker, 12 July 2025
Her organization helps bats across Italy, but it’s headquartered in Rome, where at least nine species of bats gobble mosquitos and other insects each night and tuck into the eaves of buildings by day.
—Krista Langlois, Smithsonian Magazine, 7 July 2025
Then, by day 14, this layer had thinned, but the epidermis had continued to thicken, indicating that VC was having a deeper cellular impact.
—New Atlas, 6 July 2025
In later seasons, Bobby Cannavale plays Irving, a Dark Army fixer by night and car salesman by day.
—Lauren Huff, EW.com, 4 July 2025
See All Example Sentences for by day
Cite this Entry
“By day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20day. Accessed 19 Jul. 2025.
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