adj
adv
noun
Meanings
-
1
adj
done without preparation; spontaneous
She gave an impromptu speech that won the room over.
Thesaurus
Synonyms
1
adj
· done without preparation;...
spontaneousimprovisedextemporaneousunrehearsedoffhandunpreparedad-lib
Word family
Related forms
prompt
Etymology
From French impromptu, from Latin in promptu ('in readiness, at hand'), from the ablative of promptus ('readiness'), from promere ('to bring forth'), from pro- ('forth') + emere ('to take').
View etymology graph ->