Day definition

Frequency:
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.

noun
22
6
Occurring before nightfall.

A day hike.

adjective
11
3
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.

noun
5
0
A 24-hour period or a portion of it that is reserved for a certain activity.

A day of rest.

noun
7
3
A time of flourishing, power, glory, success, etc.

He has had his day.

noun
6
2
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A period or time; era; age.

The best writer of her day, in days of old.

noun
4
0
One of the numbered 24-hour periods into which a week, month, or year is divided.
noun
5
2
A particular or specified day.

Memorial Day.

noun
3
0
The 24-hour period during which the earth completes one rotation on its axis, traditionally measured from midnight to midnight.
noun
2
0
An Irish surname​ anglicised from Ó Deághaidh (“descendant of a person named Good Luck”).
pronoun
2
0
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A Mbum-Day language of Chad.
pronoun
2
0
The period of light between dawn and nightfall; the interval from sunrise to sunset.
noun
2
1
The period during which a celestial body makes a similar rotation.
noun
2
1
Of or relating to the day.
adjective
2
1
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.

noun
1
0
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A specific, characteristic period in one's lifetime.

In Grandmother's day, skirts were long.

noun
1
0
A period of opportunity or prominence.

Every defendant is entitled to a day in court. That child will have her day.

noun
1
0
The struggle or contest occurring on a certain day or in a certain period of time.

They won the day.

noun
1
0
The period of light between sunrise and sunset.
noun
1
0
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.
pronoun
1
0
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The time one works each day.

An eight-hour day.

noun
1
1
Period of life or activity.

The sick cat's days will soon be over.

noun
0
0
An unspecified past or future time.

One of these days.

noun
0
0
One's lifetime; life.

To spend one's days in study.

noun
0
0
Daylight.
noun
0
0
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Sunshine.
noun
0
0
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.
noun
0
0
(astron.) The time that it takes any celestial body to revolve once on its axis.
noun
0
0
A patronymic surname​ derived from a medieval diminutive of David.
pronoun
0
0
Working during the day.

The day nurse.

adjective
0
2
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day after day
  • For many days; continuously.
idiom
0
1
day in, day out
  • Every day without fail; continuously.
idiom
0
1
one day
  • Someday.
idiom
0
1
one of these days
  • Someday.
idiom
0
2
one of those days
  • A difficult or trying day.
idiom
0
0
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these days
  • At present; nowadays.
idiom
0
0
back in the day
  • at some time in the past
idiom
0
0
call it a day
  • to stop whatever one is engaged in, as work
idiom
1
0
day after day
  • every day or for many successive days
idiom
0
0
day by day
  • each day
idiom
1
0
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day in, day out
  • every day
idiom
0
0
from day to day
  • from one day to the next
  • without particular concern about the future
idiom
0
0

Other Word Forms

Noun

Singular:
day
Plural:
days

Origin of day

  • Middle English dai, day from Old English dæg agh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • 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".

    From Wiktionary