tie-up

US /ˈtaɪ.ʌp/
UK /ˈtaɪ.ʌp/
"tie-up" picture
1.

a temporary stoppage or delay, especially in traffic or business

:
There was a major traffic tie-up on the highway due to an accident.
The unexpected tie-up in production delayed the product launch.
2.

a close connection or association, especially in business or politics

:
The company announced a new tie-up with a major tech firm.
Their political tie-up led to a strong coalition.