day

Pluraldays

Formsdays, daying, dayed

1. 1
   24 hoursnouncountable

   A period of 24 hours, usually from midnight to midnight, or one date on the calendar.

   Like a page on a calendar that lasts from one midnight to the next.

   A new day starts at midnight.

   Some calendars count each day from sunset to sunset.

   UsageSay on that day and on the day of a party.

   Note
2. 2
   daylightnoununcountable

   The time when the sun is up and the sky is light.

   We spent the whole day outside in the sunshine.

   Owls sleep during the day and hunt at night.

   UsageSay during the day and day and night.

   Similardaytime, daylight

   Oppositenight

   Note
3. 3
   eranouncountable

   A time in the past or future when someone or something is important or active.

   In my grandfather's day, few homes had electricity.

   She was a famous singer in her day.

   UsageSay in my grandfather's day or in those days.

   Similarera, age, time, period, epoch

   Note
4. 4
   yearly holidaynouncountable

   A day kept for a special event, activity or celebration, such as a holiday or moving day.

   In the United States, Mother's Day falls on the second Sunday in May.

   Schools often hold a special day to celebrate reading.

   UsageWrite names of holidays with capitals: Mother's Day.

   Similarholiday, observance

5. 5
   nouncountable

   The hours you spend at work or school.

   After a long day at the office, she just wanted to sleep.

   The kids come home tired after a full school day.

   UsageYou have a long day or work an eight-hour day.

   Similarshift

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