unpaired

adj

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“unpaired” is uncommon English (frequency #72,005 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.

#72,005
frequency rank, English
1,433
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - not forming one of a pair

Corpus desk

Index EN-unpaired · unpaired · English

unpaired · rank #72,005 · 0 variants · 0 confusables

  • FREQ-RARE #72,005
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unreality

Nearest frequency peer: unreality (+1 rank slots)

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.

Long-tail ranks near “unpaired”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “unpaired” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unpaired
PropertyValue
Headwordunpaired
LanguageEnglish
Part of speechAdjective
Letters8
Frequency rank#72,005
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unpaired” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).unpairedfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “unreality” (#72,006), “unseeded” (#72,007), “unsinkable” (#72,008). Among 1,433 “U” headwords, “unpaired” is #72,005. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unpaired is uncommon English at frequency #72,005 among 1,433 “U” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "not forming one of a pair".

unpaired doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From un- + pair + -ed. The correct English form is unpaired, spelled U-N-P-A-I-R-E-D.

Definition

  1. 1
    not forming one of a pair

Etymology

From un- + pair + -ed.

This word in other languages

descabalado(Español)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "unpaired"?
"unpaired" is spelled U-N-P-A-I-R-E-D.
What does "unpaired" mean?
As an adjective, "unpaired" means: not forming one of a pair
What is the origin of the word "unpaired"?
From un- + pair + -ed. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "unpaired", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

unseeded#72,007Valerius#72,011Valyrian#72,012truncate#71,991

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

Source: FrequencyWords open word-frequency list