| adv. | 1. | Offhand; without previous study; extemporaneous; extempore; |
| n. | 1. | Something made or done offhand, at the moment, or without previous study; an extemporaneous composition, address, or remark. |
| 2. | (Mus.) A piece composed or played at first thought; a composition in the style of an extempore piece. |
| Noun | 1. | impromptu - an extemporaneous speech or remark; "a witty impromptu must not sound premeditated" |
| 2. | impromptu - a short musical passage that seems to have been made spontaneously without advance preparation | |
| Adj. | 1. | impromptu - with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a few unrehearsed comments" Synonyms: extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, unrehearsed, ad-lib |
| Adv. | 1. | impromptu - without advance preparation; "he spoke ad lib" |