yearslong

adj

"yearslong" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Lasting several or many years.

Corpus desk

Index EN-yearslong · yearslong · English

yearslong · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "Y" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for yearslong
PropertyValue
Headwordyearslong
LanguageEnglish
Part of speechAdjective
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “yearslong” in English

yearslongsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

yearslong is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Lasting several or many years.".

Our edit-distance generator produced no likely misspellings for yearslong, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From years + -long. The correct English form is yearslong, spelled Y-E-A-R-S-L-O-N-G.

Definition

  1. 1
    Lasting several or many years.

Recorded use

Wiktionary example

These source excerpts show how yearslong appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The agreement, which falls short of the sprawling changes championed by Democrats, is a significant step toward ending a yearslong impasse over gun reform legislation.

Etymology

From years + -long.

Synonyms

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 "yearslong"?
"yearslong" is spelled Y-E-A-R-S-L-O-N-G.
What does "yearslong" mean?
As an adjective, "yearslong" means: Lasting several or many years.
What is the origin of the word "yearslong"?
From years + -long. 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.

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

Source: FrequencyWords open word-frequency list