à coup sûr
\a ku syʁ\
The verdict
“à coup sûr” is uncommon French (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Immanquablement ; sûrement ; infailliblement ; avec certitude.
| Property | Value |
|---|---|
| Headword | à coup sûr |
| Language | French |
| Part of speech | Adverb |
| IPA | \a ku syʁ\ |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “à coup sûr” sits in French frequency
Rare enough to double-check
à coup sûr is uncommon French outside the top frequency list, classed as anadverb, transcribed \a ku syʁ\. Rarity is why readers land here mid-draft. Gloss: "Immanquablement ; sûrement ; infailliblement ; avec certitude.".
No misspelling variants are generated for à coup sûr in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is à coup sûr, spelled À- -C-O-U-P- -S-Û-R.
Definition
- 1Immanquablement ; sûrement ; infailliblement ; avec certitude.
Synonyms
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
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Using “à coup sûr”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is À- -C-O-U-P- -S-Û-R - every other letter order is a misspelling in standard orthography.
- Say it as \a ku syʁ\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more French words and confusable pairs in the same reference. French 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.