improvisation
nounmasculine/ĩ.pɾuˈvi.zu/medium
im·pro·vi·so
Definition
The act or art of composing, performing, or saying something spontaneously without preparation.
The jazz solo was a brilliant improvisation.
He gave his speech as an improvisation.
Common collocations
jazz improvisationon-the-spot improvisation
Etymology
Do italiano 'improvviso', do latim 'improvisus' (inesperado).