1. [ noun ] time for Earth to make a complete rotation on its axis
Synonyms: twenty-four_hours mean_solar_day solar_day

"two days later they left" "they put on two performances every day" "there are 30,000 passengers per day"

Related terms: time_unit date date yesterday tomorrow today morrow eve night hour noon
2. [ noun ] some point or period in time

"it should arrive any day now" "after that day she never trusted him again" "those were the days" "these days it is not unusual"

Related terms: time day_of_reckoning Judgment_Day off-day
3. [ noun ] the time after sunrise and before sunset while it is light outside
Synonyms: daylight daytime

"the dawn turned night into day" "it is easier to make the repairs in the daytime"

Related terms: night time_period afternoon evening midafternoon morning
4. [ noun ] a day assigned to a particular purpose or observance

"Mother's Day"

Related terms: calendar_day anniversary holiday New_Year's_Eve payday wedding_day Flag_Day Halloween polling_day Nov_5 May_Day Walpurgis_Night Robert_E_Lee's_Birthday Tet Armed_Forces_Day Father's_Day rag_day V-day Midsummer_Eve school_day saint's_day washday Valentine_Day Lincoln's_Birthday Groundhog_Day commencement_day Washington's_Birthday Texas_Independence_Day field_day St_Patrick's_Day April_Fools' Jefferson_Davis'_Birthday field_day Inauguration_Day Citizenship_Day American_Indian_Day United_Nations_Day April_14 Patriot's_Day ides Mother's_Day speech_day market_day leap_day Arbor_Day red-letter_day november_5 Admission_Day
5. [ noun ] (work) the recurring hours when you are not sleeping (especially those when you are working)

"my day began early this morning" "it was a busy day on the stock exchange" "she called it a day and went to bed"

Related terms: work_time workday
6. [ noun ] an era of existence or influence

"in the day of the dinosaurs" "in the days of the Roman Empire" "in the days of sailing ships" "he was a successful pianist in his day"

Related terms: era
7. [ noun ] a period of opportunity

"he deserves his day in court" "every dog has his day"

Related terms: opportunity
8. [ noun ] the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis

"how long is a day on Jupiter?"

Related terms: time_period lunar_day
9. [ noun ] Last name, frequency rank in the U.S. is 245
10. [ noun ] (writing) United States writer best known for his autobiographical works (1874-1935)
Synonyms: clarence_shepard_day_jr. clarence_day
Related terms: writer
11. [ noun ] the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day
Synonyms: sidereal_day
Related terms: sidereal_time time_unit
Similar spelling:   Daye