impromptu
im·promp·tu/ɪmˈpɹɑmp.t(j)u/adjective, adverb, noun, verb
impromptu is spelled I-M-P-R-O-M-P-T-U: 9 letters and 3 syllables (im·promp·tu). It appears 1.5 times per million words in written English, the 22,651st most frequent word form (wordfreq, 2021 data). As an adjective, impromptu means “Improvised; without prior preparation, planning, or rehearsal” (English Wiktionary, September 2026).
How many letters and syllables are in impromptu?
| Letters | 9: I-M-P-R-O-M-P-T-U |
|---|---|
| Syllables | 3: im·promp·tu |
| In writing | 1.5 times per million words; the 22,651st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is impromptu?
Impromptu appears 1.5 times per million words in written English, the 22,651st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce impromptu?
- /ɪmˈpɹɒmp.t(j)u/
- UK /ɪmˈpɹɒmp.tju/
- US /ɪmˈpɹɑmp.t(j)u/
Impromptu has 3 syllables, split im·promp·tu in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-impromptu.wav, Wikimedia Commons (author and licence on each file's page).
Forms of impromptu
- impromptus plural, present, singular, he/she/it
- impromptuing participle, present
- impromptued participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does impromptu mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Improvised; without prior preparation, planning, or rehearsal.
an impromptu speech
adverb
- 1
Extemporaneously; without prior preparation, planning, or rehearsal.
happened impromptu
noun
- 1
A short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.
- 2
Any composition, musical or otherwise, that is created on the spot without preparation.
verb
- 1
To compose offhand.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Impromptu in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | impromptu |
| German | improvisiert , Impromptu |
| Portuguese | improvisado , improviso |
| Spanish | impromptu |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does impromptu come from?
Unadapted borrowing from French impromptu.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).