sinistrorsum

\si.nis.tʁɔʁ.sɔm\

/\si.nis.tʁɔʁ.sɔm\/ adj

The verdict

“sinistrorsum” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency French
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Qui s’effectue dans le sens de rotation inverse de celui des aiguilles d’une montre.

Corpus desk

Index FR-sinistrorsum · sinistrorsum · French

sinistrorsum · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 sinistrorsum
PropertyValue
Headwordsinistrorsum
LanguageFrench
Part of speechAdjective
IPA\si.nis.tʁɔʁ.sɔm\
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « sinistrorsum » en français

sinistrorsumreste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

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

Rare enough to double-check

sinistrorsum is uncommon French outside the top frequency list, classed as anadjective, transcribed \si.nis.tʁɔʁ.sɔm\. Rarity is why readers land here mid-draft. Gloss: "Qui s’effectue dans le sens de rotation inverse de celui des aiguilles d’une montre.".

No misspelling variants are generated for sinistrorsum in our index, suggesting the orthography follows predictable French patterns. No close-neighbour confusable shows up for this headword in our dataset, 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 pattern is best understood through pronunciation rather than a traceable origin. The correct French form is sinistrorsum, spelled S-I-N-I-S-T-R-O-R-S-U-M.

Definition

  1. 1
    Qui s’effectue dans le sens de rotation inverse de celui des aiguilles d’une montre.

Recorded use

Wiktionary examples

These source excerpts show how sinistrorsum appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. A cet effet, on compte le nombre des spires dextrorsum, celui des spires sinistrorsum ; on additionne les nombres trouvés, et le total devient le dénominateur de la fraction cherchée.
  2. L’hélice totale se trouve ainsi formée d’une hélice sinistrorsum suivie d’une hélice dextrorsum, et ainsi de suite.

Antonyms

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 "sinistrorsum"?
"sinistrorsum" is spelled S-I-N-I-S-T-R-O-R-S-U-M. The IPA pronunciation is \si.nis.tʁɔʁ.sɔm\.
What does "sinistrorsum" mean?
As an adjective, "sinistrorsum" means: Qui s’effectue dans le sens de rotation inverse de celui des aiguilles d’une montre.
How do you pronounce "sinistrorsum"?
The IPA (International Phonetic Alphabet) transcription for "sinistrorsum" is \si.nis.tʁɔʁ.sɔm\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "sinistrorsum" come from?
"sinistrorsum" is a French 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list