1 n-uncount Gridlock is the situation that exists when all the roads in a particular place are so full of vehicles that none of them can move.
The streets are wedged solid with near-constant traffic gridlock.
2 n-uncount You can use gridlock to refer to a situation in an argument or dispute when neither side is prepared to give in, so no agreement can be reached.
He agreed that these policies will lead to gridlock in the future.
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