This is the 10508th most frequent French word.
longer
To go along or follow the length of.
In this sentence, 'longer' means to follow a route that goes parallel to an object, typically like walking along the side or edge of the river.
Je vais longer la rivière jusqu'au village.
I will walk along the river to the village.
Here, 'longer' implies moving alongside the coast using a vehicle, suggesting a parallel movement to the coastal line.
Ils ont décidé de longer la côte en voiture pendant leurs vacances.
They decided to drive along the coast during their vacation.
In this example, 'longer' indicates the action of traveling along or parallel to a pathway, making it a directional instruction.