ne plus ultra

noun

"ne-plus-ultra" is a 11-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The highest, ultimate point of achievement which can be reached; perfection.

Corpus desk

Index EN-ne-plus-ultra · ne plus ultra · English

ne plus ultra · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" 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 ne plus ultra
PropertyValue
Headwordne plus ultra
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ne plus ultra” in English

ne plus ultraranks 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

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

Our edit-distance generator produced no likely misspellings for ne plus ultra, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Borrowed from Latin nē plūs ultrā. The correct English form is ne plus ultra, spelled N-E- -P-L-U-S- -U-L-T-R-A.

Definition

  1. 1
    The highest, ultimate point of achievement which can be reached; perfection.
  2. 2
    The perfect or most extreme example of its kind; the ultimate.
  3. 3
    A prohibition against proceeding further; an insuperable obstacle or limiting condition.

Recorded use

Wiktionary examples

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

  1. Suppers were the ne plus ultra of human invention; it could go no further, and was obliged to degenerate; dinner is too much matter of business, it is a necessity: now, a necessity is too like a duty ever to be pleasant.
  2. November 30, 2014, Julia Kavanagh, Rome: The ‘ne plus ultra’ of Arthttps://camel76.wordpress.com/2014/11/20/rome-the-ne-plus-ultra-of-art/ It doesn’t get any better than this because Rome, like Florence, is the ne plus ultra of art.

Etymology

Borrowed from Latin nē plūs ultrā.

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 "ne plus ultra"?
"ne plus ultra" is spelled N-E- -P-L-U-S- -U-L-T-R-A.
What does "ne plus ultra" mean?
As a noun, "ne plus ultra" means: The highest, ultimate point of achievement which can be reached; perfection.
What is the origin of the word "ne plus ultra"?
Borrowed from Latin nē plūs ultrā. 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