extemporize
US /ɪkˈstem.pə.raɪz/
UK /ɪkˈstem.pə.raɪz/
1.
extemporizar, improvisar
to compose, perform, or utter something without preparation; improvise
:
•
The jazz musician could extemporize a solo on the spot.
O músico de jazz conseguia extemporizar um solo na hora.
•
She had to extemporize a speech when the main speaker didn't show up.
Ela teve que extemporizar um discurso quando o orador principal não apareceu.