avirulent

adj

"avirulent" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not virulent.

Corpus desk

Index EN-avirulent · avirulent · English

avirulent · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

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 avirulent
PropertyValue
Headwordavirulent
LanguageEnglish
Part of speechAdjective
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “avirulent” in English

avirulentranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

avirulent is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Not virulent.".

No generated misspelling entries exist for avirulent in our index, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From a- + virulent. The correct English form is avirulent, spelled A-V-I-R-U-L-E-N-T.

Definition

  1. 1
    Not virulent.

Recorded use

Wiktionary example

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

  1. An isolate from raw fish, serotype 0:6, unable to invade HeLa cells and negative for heat-stable enterotoxin, was clinically avirulent in this model and caused no lesions by histological examination.

Etymology

From a- + virulent.

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 "avirulent"?
"avirulent" is spelled A-V-I-R-U-L-E-N-T.
What does "avirulent" mean?
As an adjective, "avirulent" means: Not virulent.
What is the origin of the word "avirulent"?
From a- + virulent. See the full etymology section above for more details.
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