Antonyms for
day
A period of time equal or almost equal to a full day-night cycle, being 24 hours long.
3 antonyms 3 letters

Found 3 Antonyms for Day

Words with the opposite meaning to day:

darknight
nighttime

2 of these 3 words have its own antonym network. Click any highlighted word to explore its alternatives. The others are shown for reference.

All Definitions for Day

Below are all the dictionary definitions of day:

1A period of time equal or almost equal to a full day-night cycle, being 24 hours long.
2The time when the Sun is above the horizon and it lights the sky.
3A period of time between two set times which mark the beginning and the end of day in a calendar, such as from midnight to the following midnight or (Judaism) from nightfall to the following nightfall.
4A 24-hour period beginning at 6am or sunrise.
5The part of a day period which one spends at one’s job, school, etc.
6An observance lasting for a day, such as an annual holiday.
7A specified time or period
8Time, considered with reference to the existence or prominence of a person or thing
9Age
10Time
11Era.
12The time taken for the Sun to seem to be in the same place in the sky twice
13A solar day.
14The time taken for the Earth to make a full rotation about its axis with respect to the fixed stars
15A sidereal day or stellar day.
16The rotational period of a planet.
17A period of contention of a day or less.
18To spend a day (in a place).
19A number of places in the United States:
20An unincorporated community in Modoc County, California.
21A census-designated place and unincorporated community in Lafayette County, Florida.
22A township in Montcalm County, Michigan.
23An unincorporated community in Isanti County, Minnesota.
24An unincorporated community in Taney County, Missouri.
25A town in Saratoga County, New York.
26A town in Marathon County, Wisconsin.
27A Mbum-Day language of Chad.
28A surname originating as a patronymic derived from a medieval diminutive of David.
29An English surname originating as an occupation from day as a word for a "day-servant", an archaic term for a day-laborer, or from given names such as Dagr, Daug, Dege, and Dey, cognate with Scandinavian Dag.
30A surname from Irish can be found as both Day and O'Day from Ó Deághaidh (“descendant of a person named Good Luck”).

Writing Tips

  • Use antonyms to create contrast and emphasize differences.
  • Pair antonyms in parallel structure for rhetorical impact.
  • Not all antonyms are perfectly opposite — check context.
  • Using antonyms improves clarity by showing what something is not.
Frequently Asked Questions

What are antonyms for day?

Words like dark, night, nighttime are common antonyms for day. These words express opposite or contrasting meanings and can be used to create contrast in writing.

How many antonyms does day have?

We have identified 3 antonyms for day in our database. The English language often has multiple words with contrasting meanings.

Can I use these antonyms in formal writing?

Most antonyms listed here are suitable for formal writing, but always check the specific context. Some antonyms carry slightly different connotations or degrees of opposition.

About antonyms for day

Finding the right antonym for day helps writers create contrast, clarify meaning, and add depth to their work. Defined as "A period of time equal or almost equal to a full day-night cycle, being 24 hours long.", day has 3 opposite words that can be used to express contrasting ideas.

Each antonym carries a slightly different shade of opposition. Dark is the most direct opposite in most situations. Night works well when the context calls for a more nuanced contrast. Nighttime is often preferred when the context calls for a specific type of opposition.

When choosing an antonym, consider the connotation, formality level, and audience. Some alternatives work better in casual conversation while others shine in academic or professional writing. For example, using a more formal antonym in a business email can elevate your tone, while a casual antonym might feel more natural in creative writing or dialogue.

It is also worth noting that not all antonyms are perfectly interchangeable. The context of your sentence, the surrounding words, and the intended emotional impact all play a role in selecting the best opposite word. The list above provides the most common and useful antonyms for day, but always read your sentence aloud to ensure the chosen word flows naturally.