Synonyms:
deadlock, dead_end, impasse, stalemate, standstill
Meaning: a situation in which no progress can be made or no advancement is possible; "reached an impasse on the negotiations"
Usage examples
When he returned to New York, he was beaten for reelection to Congress, and Governor Clinton and his party retained such a firm grip upon the legislature that a deadlock occurred between the Federalist House and the opposition Senate.