im·passe | \ ˈim-ˌpas , im-ˈpas \
1 a: a predicament affording no obvious escape
b: DEADLOCK
2: an impassable road or way : CUL-DE-SAC
Synonyms
deadlock, gridlock, halt, logjam, Mexican standoff, stalemate, standoff, standstill
Examples
We seem to have been forced into an impasse.
When the debt limit impasse is resolved, Treasury is required to replace any investments removed from the pension funds with any lost interest.