Christmas Day

noun

"christmas-day" is a 12-letter English headword indexed on PlainSpell.

The verdict

“Christmas Day” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The day on which Christmas is celebrated. It is December 25 in the West, and January 7 in some Eastern Orthodox churches.

Key facts for Christmas Day
PropertyValue
HeadwordChristmas Day
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Christmas Day” sits in English frequency

Christmas Day falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for Christmas Day is 13 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "The day on which Christmas is celebrated. It is December 25 in the West, and January 7 in some Eastern Orthodox churches.".

Our edit-distance generator produced no likely misspellings for Christmas Day, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Middle English Cristemasse day, from Old English Cristes mæssedæġ (“Christmas Day”, literally “day of Christ's mass”). Now equivalent to Christmas + day. The correct English form is Christmas Day, spelled C-H-R-I-S-T-M-A-S- -D-A-Y.

Definition

  1. 1
    The day on which Christmas is celebrated. It is December 25 in the West, and January 7 in some Eastern Orthodox churches.

Etymology

From Middle English Cristemasse day, from Old English Cristes mæssedæġ (“Christmas Day”, literally “day of Christ's mass”). Now equivalent to Christmas + day.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Christmas Day"?
"Christmas Day" is spelled C-H-R-I-S-T-M-A-S- -D-A-Y.
What does "Christmas Day" mean?
As a noun, "Christmas Day" means: The day on which Christmas is celebrated. It is December 25 in the West, and January 7 in some Eastern Orthodox churches.
What is the origin of the word "Christmas Day"?
From Middle English Cristemasse day, from Old English Cristes mæssedæġ (“Christmas Day”, literally “day of Christ's mass”). Now equivalent to Christmas + day. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “Christmas Day”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-H-R-I-S-T-M-A-S- -D-A-Y - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list