Impasse regards a conflict without traction or compromise towards solution. An example is: The federal shutdowns that marked mid 90s during the Clinton administration regarded political impasse between the presidency and the Congress.

The antonym for the word impasse is solution.

Impasse- a road or passage with no exit; a situation with no progress; a deadlock. (noun) (ĭm'pās')

The peace talks reached an impasse, so the parties left to assess their position. Impasse means "could go no further"

The cast of Impasse - 2008 includes: Patrick Seitz