bottleneck

bottleneck

noun

Definition of BOTTLENECK

a crowded mass (as of cars) that impedes or blocks movement <a bottleneck inevitably forms at the start of a construction zone when the highway narrows from three to two lanes>

Synonyms backup, bottleneck, jam-up, logjam, snarl, tailback [British], tie-up

Related Words tangle; gridlock, lock; congestion, traffic; crawl, delay, slowdown, stoppage