1. An unplanned or spontaneous removal of money from a bank account or financial institution without prior notice or arrangement
The sudden impromptu withdrawal from her savings account left her with insufficient funds for the planned vacation.
O saque improvisado repentino de sua conta poupança deixou-a sem fundos suficientes para as férias planejadas.
2. A sudden or unexpected departure from a situation, competition, or commitment
His impromptu withdrawal from the tournament surprised everyone.
Seu saque improvisado do torneio surpreendeu a todos.