• Any period of 24 hours.
  • A period from midnight to the following midnight.
  • Rotational period of a planet (especially Earth).
  • The part of a day period which one spends at one’s job, school, etc.
  • Part of a day period between sunrise and sunset where one enjoys daylight; daytime.
  • A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time.
  • A period of contention of a day or less.
  • A 24-hour period beginning at 6am or sunrise.


  • To spend a day (in a place).


Narrower meaning words

Broader meaning words


  • From Middle English day, from Old English dæġ ("day"), from Proto-West Germanic *dag, from Proto-Germanic *dagaz ("day"), from Proto-Indo-European, from *dʰegʷʰ-.
  • Cognate with Saterland Frisian Dai ("day"), West Frisian dei ("day"), Dutch dag ("day"), German Low German Dag ("day"), Alemannic German Däi, German Tag ("day"), Swedish, Norwegian and Danish dag ("day"), Icelandic dagur ("day"), Gothic 𐌳𐌰𐌲𐍃 ("dags"). Cognate also with Albanian djeg ("to burn"), Lithuanian degti ("to burn"), Tocharian A tsäk-, Russian жечь ("to burn") from *degti, дёготь, Sanskrit दाह ("heat"), दहति, Latin foveō ("to warm, keep warm, incubate").
  • is a false cognate; it derives from .

Modern English dictionary

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