non plus ultra

/ˈnon ˈplus ˈul.tra/

//ˈnon ˈplus ˈul.tra// phrase

The verdict

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

Unranked
below top-frequency Spanish
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - No más allá.

Corpus desk

Index ES-non-plus-ultra · non plus ultra · Spanish

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
LanguageSpanish
Part of speechPhrase
IPA/ˈnon ˈplus ˈul.tra/
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “non plus ultra” en español

non plus ultraqueda fuera de las 100.000 palabras españolas más frecuentes, en la cola larga de vocabulario técnico, arcaico o raro, justo donde más se duda de la ortografía.

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

Rare enough to double-check

non plus ultra is uncommon Spanish outside the top frequency list, classed as aphrase, transcribed /ˈnon ˈplus ˈul.tra/. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for non plus ultra in our index, suggesting the orthography follows predictable Spanish patterns. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

This entry's etymology isn't recorded, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Spanish form is non plus ultra, spelled N-O-N- -P-L-U-S- -U-L-T-R-A.

Definition

  1. 1
    No más allá.
  2. 2
    No pasar.

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 /ˈnon ˈplus ˈul.tra/.
What does "non plus ultra" mean?
As a phrase, "non plus ultra" means: No más allá.
How do you pronounce "non plus ultra"?
The IPA (International Phonetic Alphabet) transcription for "non plus ultra" is /ˈnon ˈplus ˈul.tra/. 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 Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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