Lipschitz

adj

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

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

The verdict

“Lipschitz” is uncommon English (frequency #77,867 among 16,425 “L” headwords), classed as an adjective. The kind of spelling people second-guess.

#77,867
frequency rank, English
16,425
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.

Key facts for Lipschitz
PropertyValue
HeadwordLipschitz
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#77,867
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Lipschitz” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Lipschitz is uncommon English at frequency #77,867 among 16,425 “L” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "(Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.".

We couldn't generate a plausible misspelling set for Lipschitz, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Named after Rudolf Lipschitz. The correct English form is Lipschitz, spelled L-I-P-S-C-H-I-T-Z.

Definition

  1. 1
    (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.

Etymology

Named after Rudolf Lipschitz.

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 "Lipschitz"?
"Lipschitz" is spelled L-I-P-S-C-H-I-T-Z.
What does "Lipschitz" mean?
As an adjective, "Lipschitz" means: (Of a real-valued real function f) Such that there exists a constant K such that whenever x_1 and x_2 are in the domain of f, |f(x_1)-f(x_2)|≤K|x_1-x_2|.
What is the origin of the word "Lipschitz"?
Named after Rudolf Lipschitz. 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 “Lipschitz”

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

  • The one correct English spelling is L-I-P-S-C-H-I-T-Z - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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 FrequencyWords open word-frequency list