| Imprompt | a. Not ready. [ R. ] Sterne. [ 1913 Webster ] |
| Impromptu | adv. or a. [ F. impromptu, fr. L. in promptu in readiness, at hand; in in + promptus visibility, readiness, from promptus visible, ready. See Prompt. ] Offhand; without previous study; extemporaneous; extempore; |
| Impromptu | n. |
| impromptu | (n) an extemporaneous speech or remark, Example: a witty impromptu must not sound premeditated |
| impromptu | (n) a short musical passage that seems to have been made spontaneously without advance preparation |