tie–up

noun \ˈtī-ˌəp\

: a situation in which something (such as traffic) becomes very slow or stops because of a problem, accident, etc.

: a close connection between people or things

: an agreement to do business together

Full Definition of TIE-UP

a : a cow stable; also : a space for a single cow in a stable

b : a mooring place for a boat

: a slowdown or stoppage of traffic, business, or operation (as by a mechanical breakdown)

: connection, association <helpful financial tie–ups>

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1851

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

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