sine qua non

[ˈsine ˈkwa ˈnõn]

/[ˈsine ˈkwa ˈnõn]/ phrase

The verdict

“sine qua non” is outside the top-ranked Spanish vocabulary, used as a phrase - the kind of word writers most often double-check.

Unranked
below top-frequency Spanish
12
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Significa "sin la cual no" y se usa para referirse a condiciones o elementos indispensables, requisitos absolutos y obligatorios, reglas estrictas, etc. Puede usarse calificando a un sustantivo o c...

Key facts for sine qua non
PropertyValue
Headwordsine qua non
LanguageSpanish
Part of speechPhrase
IPA[ˈsine ˈkwa ˈnõn]
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sine qua non” sits in Spanish frequency

sine qua non falls outside the top-100,000 ranked Spanish 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.

Spelling & Dictionary Insight

The Spanish entry for sine qua non is 12 letters long, classified as a phrase, and transcribed in the International Phonetic Alphabet as [ˈsine ˈkwa ˈnõn]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Significa "sin la cual no" y se usa para referirse a condiciones o elementos indispensables, requisitos absolutos y obligatorios, reglas estrictas, etc. Puede usarse calificando a un sustantivo o c...".

No generated misspelling entries exist for sine qua non in our index, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is sine qua non, spelled S-I-N-E- -Q-U-A- -N-O-N.

Definition

  1. 1
    Significa "sin la cual no" y se usa para referirse a condiciones o elementos indispensables, requisitos absolutos y obligatorios, reglas estrictas, etc. Puede usarse calificando a un sustantivo o como sustantivo mismo. También puede decirse "conditio sine qua non"..

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 "sine qua non"?
"sine qua non" is spelled S-I-N-E- -Q-U-A- -N-O-N. The IPA pronunciation is [ˈsine ˈkwa ˈnõn].
What does "sine qua non" mean?
As a phrase, "sine qua non" means: Significa "sin la cual no" y se usa para referirse a condiciones o elementos indispensables, requisitos absolutos y obligatorios, reglas estrictas, etc. Puede usarse calificando a un sustantivo o c...
How do you pronounce "sine qua non"?
The IPA (International Phonetic Alphabet) transcription for "sine qua non" is [ˈsine ˈkwa ˈnõn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sine qua non" come from?
"sine qua non" is a Spanish 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.

Using “sine qua non”

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

  • The one correct Spanish spelling is S-I-N-E- -Q-U-A- -N-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈsine ˈkwa ˈnõn] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
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