in the slow lane

1. In a relatively unproductive state or position; on an exceptionally slow path toward development or success. Despite a series of robust investments and initiatives, the company has remained in the slow lane compared to its competitors. The World Health Organization reported that the country is currently in the slow lane in its efforts to combat the outbreak. The hiring process is in the slow lane, so I'm afraid I don't have an update for you at this time.

2. Not engaging in energetic, pleasure-driven, or risky behavior; only doing mundane, uninteresting things. I've been firmly in the slow lane after having kids. I just don't have the time or energy to do the wild things I used to when I was younger. Sure, I partied in college and all that, but I'm in my 30s now and am perfectly happy living life in the slow lane. I'm fine with being in the slow lane. If you want to do crazy stuff like skydive, your own your own.

in the ˈslow lane

not making progress as fast as other people, countries, companies, etc: According to the latest survey, the country is expected to remain in the slow lane of economic recovery. OPPOSITE: in the fast lane

The slow lane is the part of a motorway/freeway in which the traffic moves slowly.