i Register
In some senses, impasse is marked as figuratively. Watch for register when choosing this word.
noun
A road with no exit; a cul-de-sac.
A deadlock or stalemate situation in which no progress can be made.
“It seems to me the thing's an impasse. French expression,” I explained, “meaning that we're stymied good and proper with no hope of finding a formula.”
"Young man, this town is at a bit of an impasse. If you have any suggestion that might help, now would be the time to voice it."