1. A journey, itinerary, or work schedule that is exhausting or causes fatigue
The salesman complained about his tiring route covering five cities in one week.
O vendedor reclamou sobre sua rota cansativa que cobria cinco cidades em uma semana.
2. A monotonous or repetitive path or routine that becomes tedious
After months on the same tiring route, the bus driver requested a transfer.
Após meses na mesma rota cansativa, o motorista de ônibus pediu transferência.