day

Use day in a sentence

A bright sunny day.

noun

The definition of a day is a 24-hour period of time or the period of light between sunrise and sunset.

An example of a day is Thanksgiving.
An example of day is two o'clock in the afternoon.

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"day." YourDictionary, n.d. Web. 17 March 2019. <https://www.yourdictionary.com/Day>.

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day. (n.d.). Retrieved March 17th, 2019, from https://www.yourdictionary.com/Day

day

1. the period of light between sunrise and sunset
2. daylight
3. sunshine
1. the 24-hour period (mean solar day) that it takes the earth to rotate once on its axis with respect to the sun: the civil or legal day is from midnight to midnight, the astronomical day from noon to noon
2. Astron. the time that it takes any celestial body to revolve once on its axis
[oftenD-] a particular or specified day: Memorial Day
[also pl.] a period or time; era; age: the best writer of her day, in days of old
a time of flourishing, power, glory, success, etc.: he has had his day
the struggle or contest occurring on a certain day or in a certain period of time: they won the day
the time one works each day: an eight-hour day
an unspecified past or future time: one of these days
[pl.] one's lifetime; life: to spend one's days in study

Origin of day

Middle English dai from Old English dæg (pl. dagas), akin to Old Norse dagr, Gothic dags, Old High German tag from Proto-Germanic an unverified form dagwaz, probably from Indo-European base an unverified form a?hes, day, with d- by associated, association with base an unverified form dhegwh-, to burn

day Idioms

back in the day

Informal at some time in the past

call it a day

Informal to stop whatever one is engaged in, as work

day after day

every day or for many successive days

day by day

each day

day in, day out

every day

from day to day

from one day to the next
without particular concern about the future

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MLA Style

"day." YourDictionary, n.d. Web. 17 March 2019. <https://www.yourdictionary.com/Day>.

APA Style

day. (n.d.). Retrieved March 17th, 2019, from https://www.yourdictionary.com/Day

day

noun

The period of light between dawn and nightfall; the interval from sunrise to sunset.
a. The 24-hour period during which the earth completes one rotation on its axis, traditionally measured from midnight to midnight.
b. The period during which a celestial body makes a similar rotation.
One of the numbered 24-hour periods into which a week, month, or year is divided.
The portion of a 24-hour period that is devoted to work, school, or business: an eight-hour day; a sale that lasted for three days.
A 24-hour period or a portion of it that is reserved for a certain activity: a day of rest.
a. A specific, characteristic period in one's lifetime: In Grandmother's day, skirts were long.
b. A period of opportunity or prominence: Every defendant is entitled to a day in court. That child will have her day.
A period of time in history; an era: We studied the tactics used in Napoleon's day. The day of computer science is well upon us.
days Period of life or activity: The sick cat's days will soon be over.

adjective

Of or relating to the day.
Working during the day: the day nurse.
Occurring before nightfall: a day hike.

Origin of day

Middle English dai, day from Old English dæg ; see agh- in Indo-European roots.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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MLA Style

"day." YourDictionary, n.d. Web. 17 March 2019. <https://www.yourdictionary.com/Day>.

APA Style

day. (n.d.). Retrieved March 17th, 2019, from https://www.yourdictionary.com/Day

See under sidereal time

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Link to this page

Cite this page

MLA Style

"day." YourDictionary, n.d. Web. 17 March 2019. <https://www.yourdictionary.com/Day>.

APA Style

day. (n.d.). Retrieved March 17th, 2019, from https://www.yourdictionary.com/Day

Proper noun

A patronymic surname derived from a medieval diminutive of David.
An English surname from day as a word for a "day-servant", an archaic term for a day-laborer. ,or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.
An Irish surname anglicised from Ó Deághaidh (“descendant of a person named Good Luck”).

Origin

This surname has multiple origins. Besides the ones listed below, Norman origin has also been suggested from De Haie", or "a corruption of the Normandy French D'Ossone, from the town of Ossone, in Normandy".

Proper noun