infiltrant

\ɛ̃.fil.tʁɑ̃\

/\ɛ̃.fil.tʁɑ̃\/ adj

The verdict

“infiltrant” is uncommon French (frequency #77,610 among 142,603 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#77,610
frequency rank, French
142,603
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Qui peut passer à travers quelque chose.

Corpus desk

Index FR-infiltrant · infiltrant · French

infiltrant · rank #77,610 · 0 variants · 0 confusables

  • FREQ-RARE #77,610
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 142,603
  • PHOTO-FINISH inductive

Nearest frequency peer: inductive (-1 rank slots)

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.

Frequency neighbourhood for “infiltrant”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “infiltrant” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for infiltrant
PropertyValue
Headwordinfiltrant
LanguageFrench
Part of speechAdjective
IPA\ɛ̃.fil.tʁɑ̃\
Letters10
Frequency rank#77,610
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “infiltrant” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). infiltrant lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

infiltrant is uncommon French at frequency #77,610 among 142,603 “I” headwords, classed as anadjective, transcribed \ɛ̃.fil.tʁɑ̃\. Rarity is why readers land here mid-draft. 3 senses are on record.

Zero misspellings are on record for infiltrant in our index, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Our source data has no etymology on file for this entry, 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 infiltrant, spelled I-N-F-I-L-T-R-A-N-T.

Definition

  1. 1
    Qui peut passer à travers quelque chose.
  2. 2
    Qui laisse passer l’eau de pluie.
  3. 3
    Caractérise une fissure qui est présente sur toute l’épaisseur d’une paroi et laisse passer ou ruisseler l’eau de pluie.

Recorded use

Wiktionary examples

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

  1. Aussi, pour assurer l’effet de l’agent destructeur, faut-il prendre toutes les dispositions capables de le faire parvenir jusqu’aux points les plus reculés de l’habitat souterrain, car vu l’extrême fécondité des phylloxéras, on ne pourra prévenir le retour de la maladie qu’à la condition d’exterminer tous ces pucerons jusqu’au dernier. Cette pénétration s…
  2. Cette couche de terre végétative a sans doute peu d’épaisseur, et le banc de terre légère, aréneuse et infiltrante n’est pas éloigné de la surface ; autrement le raisin n’y mûriroit pas.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "infiltrant"?
"infiltrant" is spelled I-N-F-I-L-T-R-A-N-T. The IPA pronunciation is \ɛ̃.fil.tʁɑ̃\.
What does "infiltrant" mean?
As an adjective, "infiltrant" means: Qui peut passer à travers quelque chose.
How do you pronounce "infiltrant"?
The IPA (International Phonetic Alphabet) transcription for "infiltrant" is \ɛ̃.fil.tʁɑ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "infiltrant" come from?
"infiltrant" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "infiltrant", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 10 letters (nearest by frequency rank).

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.

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

Source: FrequencyWords open word-frequency list