An "impasse" refers to a situation where there is no progress or solution to a problem, usually because of a deadlock or disagreement. It means that people involved are unable to move forward and find a resolution. Full definition
I work with couples and individuals in all stages of life who have arrived at some sort of impasse in their lives. (psychologytoday.com)
Religion News Service: Jewish and Christian groups at impasse over U.S. aid to Israel An established interfaith group is in danger of disintegrating as major American Jewish groups and prominent mainline Protestant churches differ over U.S. aid for Israel - a long - standing argument that the group was established, in part, to diffuse. (religion.blogs.cnn.com)
The current impasse over debt will have to be resolved by June 20, when the finance ministers gather in Luxembourg for their monthly meeting. (cnbc.com)