different between adhoc vs impromptu

Latin

Etymology

Univerbation of ad +? h?c, a variant of h?c (“to this place, hither”) - confer ill?c/ill?c.

Pronunciation

• (Classical) IPA^(key): /a?do?k/, [ä?d?o?k]
• (Ecclesiastical) IPA^(key): /a?dok/, [??d??k]

Adverb

adh?c (not comparable)

1. Alternative form of adh?c

English

Etymology

Borrowed from French impromptu.

Pronunciation

• (UK) IPA^(key): /?m?p??mptju/
• (US) IPA^(key): /?m?p??mpt(j)u/

Adjective

impromptu (not comparable)

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

   Synonyms: extemporaneous, unplanned; see also Thesaurus:impromptu

Translations

Noun

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.

Translations

French

Etymology

Univerbation of the Latin adverbial locution in pr?mpt? (“ready, at hand”).

Pronunciation

• IPA^(key): /??.p???p.ty/

Adjective

impromptu (feminine singular impromptue, masculine plural impromptus, feminine plural impromptues)

1. improvised, not planned.

Noun

impromptu m (plural impromptus)

1. improvised action

   Synonym: improviste
2. (music) impromptu

   Synonyms: improvisation, impro

Further reading

• “impromptu” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Italian

Etymology

Borrowed from French impromptu.

Pronunciation

• IPA^(key): /im?prom.ptu/
• Rhymes: -u

Noun

impromptu m (invariable)

1. (music) impromptu

   Synonym: improvviso

Romanian

Etymology

From French impromptu

Noun

impromptu n (plural impromptuuri)

1. impromptu

Declension