sin duda

[sĩn̪ ˈd̪uð̞a]

/[sĩn̪ ˈd̪uð̞a]/ phrase

The verdict

“sin duda” 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
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Sí de manera absoluta, sin ningún lugar para una duda.

Key facts for sin duda
PropertyValue
Headwordsin duda
LanguageSpanish
Part of speechPhrase
IPA[sĩn̪ ˈd̪uð̞a]
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sin duda” sits in Spanish frequency

sin duda 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 sin duda is 8 letters long, classified as a phrase, and transcribed in the International Phonetic Alphabet as [sĩn̪ ˈd̪uð̞a]. 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: "Sí de manera absoluta, sin ningún lugar para una duda.".

sin duda doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Spanish form is sin duda, spelled S-I-N- -D-U-D-A.

Definition

  1. 1
    Sí de manera absoluta, sin ningún lugar para una duda.

Synonyms

sin disputasin atisbo de dudaindudablemente

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 "sin duda"?
"sin duda" is spelled S-I-N- -D-U-D-A. The IPA pronunciation is [sĩn̪ ˈd̪uð̞a].
What does "sin duda" mean?
As a phrase, "sin duda" means: Sí de manera absoluta, sin ningún lugar para una duda.
How do you pronounce "sin duda"?
The IPA (International Phonetic Alphabet) transcription for "sin duda" is [sĩn̪ ˈd̪uð̞a]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sin duda" come from?
"sin duda" 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.

Using “sin duda”

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

  • The one correct Spanish spelling is S-I-N- -D-U-D-A - every other letter order is a misspelling in standard orthography.
  • Say it as [sĩn̪ ˈd̪uð̞a] (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