1. A route, course, or journey that is unexpected or has low probability of occurring
Taking the back streets was an unlikely path to success.
Pegar as ruas secundárias era um trajeto improvável para o sucesso.
2. In figurative sense, an improbable sequence of events or course of action
His career followed an unlikely path from musician to politician.
Sua carreira seguiu um trajeto improvável de músico a político.