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Added 10 October 2026

bottleneck

noun

noun Definition from Wiktionary (CC BY-SA). More about bottleneck at Wordnik → Where our words come from →

The narrow portion that forms the pouring spout of a bottle; the neck of a bottle. A portion of a bottleneck placed on the finger and used as a guitar slide.
A portion of a bottleneck placed on the finger and used as a guitar slide.
In traffic, any narrowing of the road, especially resulting in a delay.

verb

To slow by causing a bottleneck.
The merge bottlenecked the traffic every morning.
To form a bottleneck.
The traffic bottlenecked at the merge every morning.

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