knees-up

noun

"knees-up" is a 7-letter English headword indexed on PlainSpell.

The verdict

“knees-up” 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 September 2, 2026) - A party.

Corpus desk

Index EN-knees-up · knees-up · English

knees-up · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" 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 knees-up
PropertyValue
Headwordknees-up
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “knees-up” sits in English frequency

knees-up 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

knees-up is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A party.".

knees-up has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: UK 20th century. From the song "Knees Up Mother Brown" (from at least 1918; published 1938). Suggesting the motions of dancing. The correct English form is knees-up, spelled K-N-E-E-S---U-P.

Definition

  1. 1
    A party.

Recorded use

Wiktionary examples

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

  1. Let's have a bit of a knees-up, Arp.
  2. However, having heard all the mutinous chants Taxpayer FC’s fans sang about Gollivan at Vicarage Road, Moyes has realised it’s probably part of his remit to spread some love and urge everyone in east London to have a good old Cockney knees-up before Friday’s visit from Leicester City.

Etymology

UK 20th century. From the song "Knees Up Mother Brown" (from at least 1918; published 1938). Suggesting the motions of dancing.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "knees-up"?
"knees-up" is spelled K-N-E-E-S---U-P.
What does "knees-up" mean?
As a noun, "knees-up" means: A party.
What is the origin of the word "knees-up"?
UK 20th century. From the song "Knees Up Mother Brown" (from at least 1918; published 1938). Suggesting the motions of dancing. 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.
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