non plus ultra

\nɔ̃.ply.z‿yl.tʁa\

/\nɔ̃.ply.z‿yl.tʁa\/ noun

The verdict

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

Unranked
below top-frequency French
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Nec plus ultra, limite infranchissable.

Corpus desk

Index FR-non-plus-ultra · non plus ultra · French

non plus ultra · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "N" thin
  • PHOTO-UNK Peer pending

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 non plus ultra
PropertyValue
Headwordnon plus ultra
LanguageFrench
Part of speechNoun
IPA\nɔ̃.ply.z‿yl.tʁa\
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « non plus ultra » en français

non plus ultran'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

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

Rare enough to double-check

non plus ultra is uncommon French outside the top frequency list, classed as anoun, transcribed \nɔ̃.ply.z‿yl.tʁa\. Rarity is why readers land here mid-draft. Gloss: "Nec plus ultra, limite infranchissable.".

non plus ultra has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is non plus ultra, spelled N-O-N- -P-L-U-S- -U-L-T-R-A.

Definition

  1. 1
    Nec plus ultra, limite infranchissable.

Recorded use

Wiktionary examples

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

  1. Metz fut le non plus ultra de Charles-Quint.
  2. […] des appartements de Charles-Quint, outrageusement dévastés, qui n’ont plus rien de curieux que leurs plafonds chamarrés de l’ambitieuse devise : Non plus ultra.

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 "non plus ultra"?
"non plus ultra" is spelled N-O-N- -P-L-U-S- -U-L-T-R-A. The IPA pronunciation is \nɔ̃.ply.z‿yl.tʁa\.
What does "non plus ultra" mean?
As a noun, "non plus ultra" means: Nec plus ultra, limite infranchissable.
How do you pronounce "non plus ultra"?
The IPA (International Phonetic Alphabet) transcription for "non plus ultra" is \nɔ̃.ply.z‿yl.tʁa\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "non plus ultra" come from?
"non plus ultra" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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