Day definition

Day as a noun

1. time for Earth to make a complete rotation on its axis

   "two days later they left"

   Same sense: twenty-four hours, solar day, mean solar day, twenty-four hour period

2. a point or period in time

   "it should arrive any day now"

3. a day assigned to a particular purpose or observance

   "Mother's Day"

4. the time after sunrise and before sunset while it is light outside

   "the dawn turned night into day"

   Same sense: daylight, daytime

5. the recurring hours when you are not sleeping (especially those when you are working)

   "my day began early this morning"

6. an era of existence or influence

   "in the day of the dinosaurs"

7. 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?"

8. the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

   Same sense: sidereal day

9. a period of opportunity

   "he deserves his day in court"

Synonyms and antonyms

• twenty-four hours
• solar day
• mean solar day
• twenty-four hour period
• daylight
• daytime
• sidereal day

Opposite: night.

All synonyms of day, sense by sense

How to say day

Day has 1 syllable and rhymes with they. Syllable counts and rhymes come from the CMU Pronouncing Dictionary.

Words that rhyme with day

• they
• way
• may
• say
• away
• play
• today
• pay
• stay
• re
• ok
• hey

DAY in word games

Scrabble

7

Words With Friends

6

Anagrams

0

Is DAY a valid Scrabble word? Yes, it is in the ENABLE list most word games use. Check DAY in the word checker, or unscramble DAY to see the shorter words in its letters.