Day Definition

day

English

Alternative forms

• daie (archaic)

Etymology

From Middle English, from Old English dæġ (“day”), from Proto-Germanic *dagaz (“day”), from Proto-Indo-European *dʰegʰ- (“to burn”). Cognate with West Frisian dei (“day”), Dutch dag (“day”), German Tag (“day”), Swedish dag (“day”), Icelandic dagur (“day”), Sanskrit (dāhas, “heat”).

Not related to Latin dies (from Proto-Indo-European *dyeu- (“to shine”)).

Pronunciation

• enPR: dā, IPA: /deɪ/, SAMPA: /deI/

• Audio (US)

  (file)

• Audio (UK)

  (file)

• Rhymes: -eɪ

Noun

day (plural days)

1. Any period of 24 hours.

   I've been here for 2 and a bit days.

2. A period from midnight to the following midnight.

   The day begins at midnight.

3. (astronomy) Rotational period of a planet (especially earth).

   A day on Mars is slightly over 24 hours.

4. The part of a day period which one spends at one’s job, school, etc.

   I worked two days last week.

5. Part of a day period between sunrise and sunset where one enjoys daylight, daytime.

   day and night.

   I work at night and sleep during the day.

6. A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time.

   Every dog has its day.

7. A period of contention of a day or less.

   The day belonged to the Allies.

Derived terms

Statistics

• Most common English words before 1923: def · might · being · #114: day · through · himself · go

Anagrams

• d'ya
• yad

Middle English

Etymology

Old English dæġ

Noun

day (plural days)

1. day

Descendants

• English: day

Scots

Etymology

From Old English dæġ.

Noun

day (plural days)

1. day
2. (definite singular) today
   • A’m sorry, A’ve no seen Angus the day.

     I’m sorry, I haven’t seen Angus today.

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