英和和英

発音

• (英国発音) IPA: /ɪmˈpɹɒmptju/
• (米国発音) IPA: /ɪmˈpɹɑmpt(j)u/

形容詞

impromptu (not comparable)

1. Improvised; without prior preparation, planning or rehearsal.

   Synonyms: extemporaneous, extempore, ad lib, unplanned; see also Thesaurus:impromptu

   The party began with an impromptu rendition of 'Happy Birthday'.

   an impromptu speech

   • 2026 March 29, Matt Mitchell, “In LA, Paul McCartney is king”, in AV Club‎:

     I can appreciate that Macca’s band plays faithful to the source material, never putting too obvious a personal spin on the music. It’s sometimes frustrating, especially when the solo part in “Get Back” is screaming for some impromptu finesse, but it’s mostly fair.

派生語

副詞

impromptu (not comparable)

1. Extemporaneously; without prior preparation, planning, or rehearsal.

   Synonyms: ex tempore, extempore, ad lib

   happened impromptu;   was done impromptu

名詞

impromptu (plural impromptus)

1. (music) A short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.
   • 1997, Christopher H. Gibbs, The Cambridge Companion to Schubert, Cambridge University Press, →ISBN, page 168:

     The second impromptu is a dance-like Allegretto in A flat major, with a trio in D flat major employing arpeggiated textures.

2. (by extension) Any composition, musical or otherwise, that is created on the spot without preparation.