Synonyms and Antonyms of jam–up
a crowded mass (as of cars) that impedes or blocks movement knowing that there was a big traffic jam-up ahead, we took the detour that the locals always use Synonyms backup, bottleneck, jam-up, logjam, snarl, tailback [British], tie-upRelated Words tangle; gridlock, lock; congestion, traffic; crawl, delay, slowdown, stoppage
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