day

noun
\ ˈdā How to pronounce day (audio) \

Definition of day

 (Entry 1 of 4)

1a : the time of light between one night and the next the shortest day of the year
b : daylight sense 1 woke up at the break of day
c : daytime sleeps during the day and works at night
2 astronomy : the period of rotation of a planet (such as earth) or a moon on its axis the length of one day on Mars
3 : the mean solar day of 24 hours beginning at midnight by mean time open seven days a week the first day of every month Take one pill two times a day.
4 : a specified day or date their wedding day the day of her birth
5 : a specified time or period : age in grandfather's day often used in plural the old daysthe days of sailing ships
6 : the conflict or contention of the day played hard and won the day
7 : the time established by usage or law for work, school, or business starts his day with a cup of coffee after a long day at school We have a busy day tomorrow.
day after day
: for an indefinite or seemingly endless number of days wore the same pants day after day
day in, day out
: for an indefinite number of successive days does the same thing at work day in, day out

Day

biographical name (1)
\ ˈdā How to pronounce Day (audio) \

Definition of Day (Entry 2 of 4)

Clarence Shepard, Jr. 1874–1935 American author

Day

biographical name (2)

Definition of Day (Entry 3 of 4)

Thomas 1748–1789 English author

Day

biographical name (3)

Definition of Day (Entry 4 of 4)

William Rufus 1849–1923 American statesman and jurist

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Synonyms & Antonyms for day

Synonyms: Noun

Antonyms: Noun

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Examples of day in a Sentence

Noun We're open seven days a week, 365 days a year. Payment is due on the first day of every month. “What day of the week is the 28th?” “It's a Friday.” He spent five days in the hospital. She left on Thursday and came back four days later. That was the happiest day of my life. Parenthood gets better every day. The office is closed for the day. She works eight hours a day. It costs 10 dollars a day to park there.
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Recent Examples on the Web: Noun Absolutely beautiful day on the fields here in Berea. Scott Patsko, cleveland, 16 June 2021 Send them to day camps that are inside a space (for example, a science camp or a drama camp)? Terry Demio, The Enquirer, 16 June 2021 Howard, who has been working out on his own and absent from the team facility most of the offseason training activities, was not at the facility on Monday for the team’s picture and promotional shoot day, according to league sources. Safid Deen, sun-sentinel.com, 15 June 2021 The steroid helps reduce swelling and Baffert acknowledged that Medina Spirit tested positive for the substance that is banned on race day in Kentucky. Frankie Frisco, Arkansas Online, 15 June 2021 The Indians didn't let a rough day get any worse by losing to the woeful Orioles. Tom Withers, ajc, 15 June 2021 On June 19, Americans will celebrate Juneteenth, a holiday commemorating the day news of the Emancipation Proclamation reached Texas, with block parties, cookouts and educational events. Sudiksha Kochi, USA TODAY, 15 June 2021 Cristiano Ronaldo’s record-setting day came in front of the first packed crowd of this year’s European Championship. BostonGlobe.com, 15 June 2021 A day after Illinois moved into phase five of Gov. J.B. Pritzker’s Restore Illinois Plan, the Deerfield Farmers Market experienced a record opening day crowd. Steve Sadin, chicagotribune.com, 15 June 2021

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

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First Known Use of day

Noun

before the 12th century, in the meaning defined at sense 1a

History and Etymology for day

Noun

Middle English, from Old English dæg; akin to Old High German tag day

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Time Traveler for day

Time Traveler

The first known use of day was before the 12th century

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Statistics for day

Last Updated

18 Jun 2021

Cite this Entry

“Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/day. Accessed 20 Jun. 2021.

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More Definitions for day

day

noun

English Language Learners Definition of day

: a period of 24 hours beginning at midnight : one of the seven time periods that make up a week
: the time of light between one night and the next : the part of the day when light from the sun can be seen
: the part of the day when people are usually most active and when most businesses are open

day

noun
\ ˈdā How to pronounce day (audio) \

Kids Definition of day

1 : the time between sunrise and sunset : daylight
2 : the time a planet or moon takes to make one turn on its axis A day on earth lasts 24 hours.
3 : a period of 24 hours beginning at midnight The offer expires in ten days.
4 : a specified day or date Tuesday is Election Day.
5 : a particular time : age There was no Internet in your grandparent's day.
6 : the time set apart by custom or law for work He works an eight-hour day.

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