tie–up

1 a crowded mass (as of cars) that impedes or blocks movement a tie-up at the junction of Main and Central has slowed traffic to a crawl Synonyms backup, bottleneck, jam-up, logjam, snarl, tailback [British], tie-upRelated Words tangle; gridlock, lock; congestion, traffic; crawl, delay, slowdown, stoppage

2 the state of having shared interests or efforts (as in social or business matters) in a tie-up with the film studio, the toy company is producing a whole line of figures featuring characters from the animated movie Synonyms affiliation, alliance, collaboration, confederation, connection, cooperation, hookup, liaison, linkup, partnership, relation, relationship, tie-up, unionRelated Words business, dealings, interaction; exchange, interconnection, interrelation, mutualism, reciprocity, symbiosis; incorporation, integration, merger, unification; affinity, attachment, closeness, intimacy, rapport, sympathy; kinship, oneness, solidarity, togetherness, unity; colleagueship, companionship, company, fellowship; bed, cahoots, leagueNear Antonyms breakup, dissolution, disunion; division, parting, separation, severance, split; alienation, divorce, estrangementAntonyms disaffiliation, dissociation