mystérieux
\mis.te.ʁjø\
The verdict
“mystérieux” is a regularly-used French word, ranked #6,528 in French word frequency and used as an adjective.
- #6,528
- frequency rank, French
- 10
- letters
- 16
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qui contient quelque mystère, quelque secret, quelque sens caché. Se dit proprement en matière de religion.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | mystérieux |
| Language | French |
| Part of speech | Adjective |
| IPA | \mis.te.ʁjø\ |
| Letters | 10 |
| Frequency rank | #6,528 |
| Misspellings tracked | 16 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “mystérieux” sits in French frequency
Spelling & Dictionary Insight
The French entry for mystérieux is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \mis.te.ʁjø\. Corpus data places it at rank #6,528 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 16 likely wrong-spelling variants for mystérieux, with forms such as "mmystérieux", "msytérieux", and "mysstérieux". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 1 confusable-pair relationship, "mystérieuse", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is mystérieux, spelled M-Y-S-T-É-R-I-E-U-X.
Definition
- 1Qui contient quelque mystère, quelque secret, quelque sens caché. Se dit proprement en matière de religion.
- 2Se dit en parlant des affaires humaines.
- 3Qui fait mystère de beaucoup de choses et souvent de choses qui n’en valent pas la peine.
Synonyms
Antonyms
This word in other languages
Common misspellings
Also misspelled as: mmystérieux,msytérieux,mysstérieux,mysterieux,mystréieux,mysttérieux,mystéireux,mystéreiux,mystérieuxx,mystériexu,mystériuex,mystérrieux,mysétrieux,mytsérieux,myystérieux,ymstérieux
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of mystérieux - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "mystérieux"?
What does "mystérieux" mean?
What words are commonly confused with "mystérieux"?
How do you pronounce "mystérieux"?
What language does "mystérieux" come from?
Is PlainSpell free to use?
Using “mystérieux”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is M-Y-S-T-É-R-I-E-U-X - every other letter order is a misspelling in standard orthography.
- Say it as \mis.te.ʁjø\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “mystérieuse” - see the side-by-side comparison. mystérieux vs mystérieuse
- 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.