jam-up

noun

ˈjam-ˌəp 

: jam entry 3 sense 1

Synonyms

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

Examples of jam-up in a Sentence

knowing that there was a big traffic jam-up ahead, we took the detour that the locals always use

Word History

First Known Use

1941, in the meaning defined above