impromptu
noun
1 impromptu
An extemporaneous speech or remark.
Roget 612: impulse, sudden thought; impromptu, improvisation; inspiration, flash, spurt. improvisatore†; creature of impulse.
2 impromptu
A short musical passage that seems to have been made spontaneously without advance preparation.
Polish: impromptu
adjective
1 impromptu
With little or no preparation or forethought:
— An impromptu speech.
synonyms: ad-lib, extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, unrehearsed.
adverb
1 impromptu
Without advance preparation.
synonyms: ad lib, ad libitum, spontaneously.
Roget 612: extempore, extemporaneously; offhand, impromptu, a limproviste [Fr.]; improviso†; on the spur of the moment, on the spur of the occasion.
Moby thesaurus: ad lib, ad libitum, ad-lib, ad-libbing, arrangement, at short notice, at sight, by ear, cadenza, caught napping, caught off balance, caught short, extemporaneous, extemporaneously, extemporaneousness, extemporarily, extemporariness, extemporary, extempore, extemporization ... show more.
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