Bottleneck

"Bottleneck" in Japanese

ネック

nekku

(part of a process that is too slow or cumbersome)

ボトルネック

botorunekku

(part of a process that is too slow or cumbersome)

瓶の首

bin no kubi

(neck of a bottle)

隘路

airo

(narrowing of the road, especially resulting in a delay)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.