1. A route or travel plan that is created spontaneously without prior planning or arrangement
We decided to take an improvised itinerary and explore the countryside without a fixed schedule.
Decidimos seguir um itinerário improvisado e explorar o interior sem um cronograma fixo.
2. A journey or excursion where destinations and activities are determined as you go, rather than being predetermined
Their road trip followed an improvised itinerary, stopping wherever they found interesting.
Sua viagem de carro seguiu um itinerário improvisado, parando em qualquer lugar interessante que encontravam.