1. A spontaneous or unplanned method of dealing with or tackling a situation, problem, or task without prior preparation or formal planning
The team took an improvised approach to solving the crisis.
A equipe adotou uma abordagem improvisada para resolver a crise.
2. An ad-hoc strategy or method created on the spot in response to immediate circumstances
His improvised approach to the negotiation surprised everyone.
Sua abordagem improvisada para a negociação surpreendeu a todos.