ultravirus

\yl.tʁa.vi.ʁys\

/\yl.tʁa.vi.ʁys\/ noun

The verdict

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

Unranked
below top-frequency French
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonyme de virus.

Corpus desk

Index FR-ultravirus · ultravirus · French

ultravirus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "U" 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 ultravirus
PropertyValue
Headwordultravirus
LanguageFrench
Part of speechNoun
IPA\yl.tʁa.vi.ʁys\
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « ultravirus » en français

ultravirusreste 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

ultravirus is uncommon French outside the top frequency list, classed as anoun, transcribed \yl.tʁa.vi.ʁys\. Rarity is why readers land here mid-draft. Gloss: "Synonyme de virus.".

The misspelling generator found no plausible variants for ultravirus, a sign its spelling follows regular French conventions. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is ultravirus, spelled U-L-T-R-A-V-I-R-U-S.

Definition

  1. 1
    Synonyme de virus.

Recorded use

Wiktionary example

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

  1. Utilisant une automobile-laboratoire et poursuivant l’analyse des échantillons au laboratoire de Saint-Genis, le professeur Paillot devait infirmer ces résultats et établir la préférence d’ultravirus, ou virus filtrant.

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 "ultravirus"?
"ultravirus" is spelled U-L-T-R-A-V-I-R-U-S. The IPA pronunciation is \yl.tʁa.vi.ʁys\.
What does "ultravirus" mean?
As a noun, "ultravirus" means: Synonyme de virus.
How do you pronounce "ultravirus"?
The IPA (International Phonetic Alphabet) transcription for "ultravirus" is \yl.tʁa.vi.ʁys\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ultravirus" come from?
"ultravirus" 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