deathday

noun

"deathday" is a 8-letter English headword indexed on PlainSpell.

The verdict

“deathday” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The day of a person's death, especially when viewed as being appointed by fate.

Key facts for deathday
PropertyValue
Headworddeathday
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “deathday” sits in English frequency

deathday 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.

Rare enough to double-check

deathday is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for deathday in our index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Middle English deth-day, deth day, dethe-day, deþ day, from Old English dēaþdæġ (“day of one's death, deathday”), equivalent to death + day. Compare birthday. Compare also German Low German Doodsdag (“deathday”), German Todestag (“deathday”), Danish dø… The correct English form is deathday, spelled D-E-A-T-H-D-A-Y.

Definition

  1. 1
    The day of a person's death, especially when viewed as being appointed by fate.
  2. 2
    The anniversary of a death, the date upon which someone earlier died.

Etymology

From Middle English deth-day, deth day, dethe-day, deþ day, from Old English dēaþdæġ (“day of one's death, deathday”), equivalent to death + day. Compare birthday. Compare also German Low German Doodsdag (“deathday”), German Todestag (“deathday”), Danish dødsdag (“deathday”), Swedish dödsdag (“deathday”).

Antonyms

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 "deathday"?
"deathday" is spelled D-E-A-T-H-D-A-Y.
What does "deathday" mean?
As a noun, "deathday" means: The day of a person's death, especially when viewed as being appointed by fate.
What is the origin of the word "deathday"?
From Middle English deth-day, deth day, dethe-day, deþ day, from Old English dēaþdæġ (“day of one's death, deathday”), equivalent to death + day. Compare birthday. Compare also German Low German Doodsdag (“deathday”), German Todestag (“deathday”),... 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 “deathday”

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

  • The one correct English spelling is D-E-A-T-H-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