A releasing lever for a sliding device in one aspect of the present disclosure is used for the sliding device including a movable rail and a fixed rail. The releasing lever includes a first protrusion and a second protrusion. The first protrusion is formed in an intermediate portion of the releasing lever and protrudes in an abutting direction on a first end of the intermediate portion. The second protrusion is formed in a position offset from the first protrusion toward a second end of the intermediate portion, and protrudes in the abutting direction. The first protrusion and the second protrusion contact an inside wall surface of the movable rail at least when the releasing lever pivots.