1. A flight characterized by absence of turbulence and gentle, steady movement through the air
The pilot ensured a smooth flight for all passengers despite stormy weather.
O piloto garantiu um voo suave para todos os passageiros apesar do tempo tempestuoso.
2. Figuratively, a smooth, trouble-free progression or experience
The project had a smooth flight from start to finish.
O projeto teve um voo suave do início ao fim.