(noun, verb)


1. a narrowing that reduces the flow through a channel

Similar word(s): chokepoint, constriction

Definition categories: shape, narrowing

2. the narrow part of a bottle near the top

Definition categories: man–made, part, portion

Sentences with bottleneck as a noun:

- It is easy to create entries; processing the paperwork is the bottleneck.

- The bottleneck in this computer program is the inefficient sorting process; we should replace it with a faster one.


1. slow down or impede by creating an obstruction

- His laziness has bottlenecked our efforts to reform the system

Definition categories: social, block, blockade, embarrass, hinder, obstruct, stymie, stymy

2. become narrow, like a bottleneck

- Right by the bridge, the road bottlenecks

Definition categories: change, contract, narrow

Sentences with bottleneck as a verb:

- The merge bottlenecked the traffic every morning.

- The traffic bottlenecked at the merge every morning.