improvised
adjectiveUK /ˈɪm.prə.vaɪzd/
US /ˈɪm.prə.vaɪzd/
Made up quickly on the spot without planning ahead.
The actors put on an improvised show with no script at all.
OTHER MEANINGS
2. Created from whatever materials are available as a temporary substitute.
They built an improvised shelter out of branches and leaves.
3. Performed or spoken without preparation, as in music or drama.
Her improvised solo on the piano amazed the whole audience.
4. Done suddenly in response to an unexpected situation.
The coach made an improvised change to the team after the injury.