décontaminer

\de.kɔ̃.ta.mi.ne\

/\de.kɔ̃.ta.mi.ne\/ verb

The verdict

“décontaminer” is uncommon French (frequency #85,661 among 5,307 “D” headwords), classed as a verb. The kind of spelling people second-guess.

#85,661
frequency rank, French
5,307
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Rendre sûr, pur, inoffensif un objet, un lieu, qui a été contaminé.

Corpus desk

Index FR-decontaminer · décontaminer · French

décontaminer · rank #85,661 · 0 variants · 0 confusables

  • FREQ-RARE #85,661
  • LEN-MEGA 12 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,307
  • PHOTO-FINISH dédouble

Nearest frequency peer: dédouble (+2 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.

Rangs de longue queue près de « décontaminer »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « décontaminer » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for décontaminer
PropertyValue
Headworddécontaminer
LanguageFrench
Part of speechVerb
IPA\de.kɔ̃.ta.mi.ne\
Letters12
Frequency rank#85,661
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « décontaminer » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).décontaminertombe dans cette queue de rareté:

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « dédouble » (#85,663), « décapsuleur » (#85,658), « dédoublements » (#85,664). Parmi 5,307 lemmes en « D », « décontaminer » est au #85,661. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

décontaminer is uncommon French at frequency #85,661 among 5,307 “D” headwords, classed as averb, transcribed \de.kɔ̃.ta.mi.ne\. Rarity is why readers land here mid-draft. Gloss: "Rendre sûr, pur, inoffensif un objet, un lieu, qui a été contaminé.".

We couldn't generate a plausible misspelling set for décontaminer, which points to an orthography that plays by predictable French rules. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is décontaminer, spelled D-É-C-O-N-T-A-M-I-N-E-R.

Definition

  1. 1
    Rendre sûr, pur, inoffensif un objet, un lieu, qui a été contaminé.

Recorded use

Wiktionary examples

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

  1. Une fois que les eaux souterraines sont polluées, il est difficile et coûteux de les décontaminer.
  2. Cependant, à cette liste des lieux à décontaminer, il n’est fait aucune mention de la décontamination des végétaux et des animaux.

Antonyms

This word in other languages

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 "décontaminer"?
"décontaminer" is spelled D-É-C-O-N-T-A-M-I-N-E-R. The IPA pronunciation is \de.kɔ̃.ta.mi.ne\.
What does "décontaminer" mean?
As a verb, "décontaminer" means: Rendre sûr, pur, inoffensif un objet, un lieu, qui a été contaminé.
How do you pronounce "décontaminer"?
The IPA (International Phonetic Alphabet) transcription for "décontaminer" is \de.kɔ̃.ta.mi.ne\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "décontaminer" come from?
"décontaminer" 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.

Similar French words by spelling shape

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

Same letter count

Frequency-ranked French headwords with 12 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list