impromptu

\ɛ̃.pʁɔ̃p.ty\

/\ɛ̃.pʁɔ̃p.ty\/ adj

The verdict

“impromptu” has 14 generated spelling variants in the French index at frequency #46,224. The variants make it a useful spelling check.

#46,224
frequency rank, French
3,561
“I” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Sur-le-champ ; sans avoir été prémédité ou préparé.

Corpus desk

Index FR-impromptu · impromptu · French

impromptu · rank #46,224 · 14 variants · 0 confusables

  • FREQ-MID #46,224
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-MID 3,561
  • PHOTO-FINISH impairs

Nearest frequency peer: impairs (-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.

Pairs de rang près de l'aimant d'erreurs « impromptu »

Même bande de rareté: utile si une faute tombe sur un lemme voisin

corpus weight

What this shows « impromptu » siège parmi ces pairs FrequencyWords; la profondeur des fautes est suivie à part dans le graphique d'édition.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for impromptu
PropertyValue
Headwordimpromptu
LanguageFrench
Part of speechAdjective
IPA\ɛ̃.pʁɔ̃p.ty\
Letters9
Frequency rank#46,224
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Fréquence de l'aimant d'erreurs « impromptu »

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.impromptuse place ici:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Dans la même bande de rareté figurent « impairs » (#46,223), « impédance » (#46,225), « hêtres » (#46,222). Parmi 3,561 lemmes en « I », « impromptu » est au #46,224. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around impromptu (IPA \ɛ̃.pʁɔ̃p.ty\), anadjective. Corpus frequency is #46,224 among 3,561 “I” headwords. Dominant gloss: "Sur-le-champ ; sans avoir été prémédité ou préparé.".

Our generated misspelling index lists 14 likely wrong-spelling variants for impromptu, with forms such as "immpromptu", "impormptu", and "imppromptu". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

No explicit etymology string is stored for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is impromptu, spelled I-M-P-R-O-M-P-T-U.

Definition

  1. 1
    Sur-le-champ ; sans avoir été prémédité ou préparé.

Recorded use

Wiktionary examples

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

  1. Agressif ou flatteur, impromptu ou acharné, le dragueur égrène tout au long de son infructueuse quête sa concupiscente litanie.
  2. Il ne s'agit plus de mener une grande guerre terrestre en Europe, mais de conduire des opérations impromptues (contingency) dans un ensemble interarmées et interalliés, par tous les temps, en frappant simultanément dans toute la profondeur du champ de bataille, en utilisant tous les moyens pour écraser l'ennemi rapidement et avec le minimum de pertes.

This word in other languages

Common misspellings

Also misspelled as:

  • immpromptu
  • impormptu
  • imppromptu
  • imprmoptu
  • imprommptu
  • imprompptu
  • imprompttu
  • impromput
  • impromtpu
  • impropmtu
  • imprromptu
  • imrpomptu
  • ipmromptu
  • mipromptu

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of impromptu - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

immpromptu1impormptu2imppromptu1imprmoptu2imprommptu1imprompptu1imprompttu1impromput2
Edit distance from "impromptu"

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 "impromptu"?
"impromptu" is spelled I-M-P-R-O-M-P-T-U. The IPA pronunciation is \ɛ̃.pʁɔ̃p.ty\.
What does "impromptu" mean?
As an adjective, "impromptu" means: Sur-le-champ ; sans avoir été prémédité ou préparé.
What are common misspellings of "impromptu"?
Common misspellings include "immpromptu", "impormptu", "imppromptu", "imprmoptu", "imprommptu". The correct spelling is "impromptu".
How do you pronounce "impromptu"?
The IPA (International Phonetic Alphabet) transcription for "impromptu" is \ɛ̃.pʁɔ̃p.ty\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "impromptu" come from?
"impromptu" 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 "impromptu", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 9 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list