| Word | Definitions | Synonyms |
|---|---|---|
| impromptu | (adjective) with little or no preparation or forethought | Synonyms: ad-lib, extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, unrehearsed |
| (noun) an extemporaneous speech or remark | - | |
| (noun) a short musical passage that seems to have been made spontaneously without advance preparation | - | |
| (adverb) without advance preparation | Synonyms: ad lib, ad libitum, spontaneously |