1000s

noun

"1000s" is a 1-letter English headword indexed on PlainSpell.

The verdict

“1000s” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The decade from 1000 to 1009.

Corpus desk

Index EN-1000s · 1000s · English

1000s · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "1" 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 1000s
PropertyValue
Headword1000s
LanguageEnglish
Part of speechNoun
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “1000s” in English

1000sranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

1000s is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.

Zero misspellings are on record for 1000s in our index, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is 1000s, spelled 1-0-0-0-S.

Definition

  1. 1
    The decade from 1000 to 1009.
  2. 2
    The century from 1000 to 1099.
  3. 3
    The millennium from 1000 to 1999.

Recorded use

Wiktionary examples

These source excerpts show how 1000s appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. What Roman numeral might you find in the cornerstone of a building built in the year 2000? MM – the mark of the new millennium, a move from the 1000s to the 2000s.
  2. The current four-phase American cycle started in the days immediately following World War II with the First Turning of the Millennial Cycle, so named because it would bridge America from one millennium (the 1000s) to the next (the 2000s).

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 "1000s"?
"1000s" is spelled 1-0-0-0-S.
What does "1000s" mean?
As a noun, "1000s" means: The decade from 1000 to 1009.
What language does "1000s" come from?
"1000s" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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