insidieuses

\ɛ̃.si.djøz\

/\ɛ̃.si.djøz\/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“insidieuses” is uncommon French (frequency #99,225 among 142,603 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#99,225
frequency rank, French
142,603
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Féminin pluriel de insidieux.

Key facts for insidieuses
PropertyValue
Headwordinsidieuses
LanguageFrench
Part of speechAdjective
IPA\ɛ̃.si.djøz\
Letters11
Frequency rank#99,225
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “insidieuses” 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). insidieuses 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

insidieuses is uncommon French at frequency #99,225 among 142,603 “I” headwords, classed as anadjective, transcribed \ɛ̃.si.djøz\. Rarity is why readers land here mid-draft. Gloss: "Féminin pluriel de insidieux.".

The misspelling generator found no plausible variants for insidieuses, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This headword's origin isn't recorded in our source data, 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 insidieuses, spelled I-N-S-I-D-I-E-U-S-E-S.

Definition

  1. 1
    Féminin pluriel de insidieux.

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 "insidieuses"?
"insidieuses" is spelled I-N-S-I-D-I-E-U-S-E-S. The IPA pronunciation is \ɛ̃.si.djøz\.
What does "insidieuses" mean?
As an adjective, "insidieuses" means: Féminin pluriel de insidieux.
How do you pronounce "insidieuses"?
The IPA (International Phonetic Alphabet) transcription for "insidieuses" is \ɛ̃.si.djøz\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "insidieuses" come from?
"insidieuses" 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.

Using “insidieuses”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is I-N-S-I-D-I-E-U-S-E-S - every other letter order is a misspelling in standard orthography.
  • Say it as \ɛ̃.si.djøz\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this 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