bottleneck
🇺🇸
/ˈbɑːtlnek/
🇬🇧
/ˈbɒtlnek/
A place where a road narrows down and causes traffic to slow down or stop.
The new shopping mall has created a bottleneck at the intersection during rush hour.
A point that slows down or prevents progress in a process, especially in business or manufacturing.
The company identified the lack of skilled workers as a bottleneck in their production line.