slow lane noun
plural ∼ lanes 1 [count] : a section of a highway for cars that are traveling at slower speeds
▪ He's a nervous driver and always stays in the slow lane. 2 [singular] : a situation in which someone or something is not advancing as quickly as others or is not as successful as others
▪ His career is still stuck in the slow lane.
▪ He's a nervous driver and always stays in the slow lane.
▪ His career is still stuck in the slow lane.
