yearday

Name: yearday, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

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

Unranked
below top-frequency English: 7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Synonym of anniversary, a day occurring in a yearly cycle.

Key facts for yearday
Property	Value
Headword	yearday
Language	English
Part of speech	Noun
Letters	7
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “yearday” sits in English frequency

yearday 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

yearday is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 5 senses are on record.

yearday doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle English ȝereday, ȝerdai (“anniversary”), from Old English *ġēardæġ (compare Old English ġeārdagas (“days of yore”)), from Proto-West Germanic *jāradag (“day of the year, yearly day”), from Proto-Germanic *jēradagaz, equivalent to year + day. Cog… The correct English form is yearday, spelled Y-E-A-R-D-A-Y.

Definition

1
Synonym of anniversary, a day occurring in a yearly cycle.
2
Synonym of anniversary, a day occurring in a yearly cycle.
3
Synonym of anniversary, a day occurring in a yearly cycle.
4
Synonym of anniversary, a day occurring in a yearly cycle.
5
A particular day numbered from the first day in the year, without regard to month divisions.

Etymology

From Middle English ȝereday, ȝerdai (“anniversary”), from Old English *ġēardæġ (compare Old English ġeārdagas (“days of yore”)), from Proto-West Germanic *jāradag (“day of the year, yearly day”), from Proto-Germanic *jēradagaz, equivalent to year + day. Cognate with West Frisian jierdei (“birthday”), Dutch jaardag (“anniversary, birthday”), German Jahrtag (“anniversary”).

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 "yearday"?

"yearday" is spelled Y-E-A-R-D-A-Y.

What does "yearday" mean?

As a noun, "yearday" means: Synonym of anniversary, a day occurring in a yearly cycle.

What is the origin of the word "yearday"?

From Middle English ȝereday, ȝerdai (“anniversary”), from Old English *ġēardæġ (compare Old English ġeārdagas (“days of yore”)), from Proto-West Germanic *jāradag (“day of the year, yearly day”), from Proto-Germanic *jēradagaz, equivalent to year ... 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 “yearday”

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

The one correct English spelling is Y-E-A-R-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.