Impasse (noun)

1. A situation in which no progress can be made because of a lack of agreement or opportunity.
2. A situation in which no solution can be reached because of a conflicting interests or ideas.
3. A standstill in negotiations or discussions.

Origin:

Derived from the french word 'impasse' meaning 'deadlock, stalemate'.

Examples:

1. The talks reached an impasse when neither side would compromise on their position.
2. The union and management have reached an impasse in the negotiations.
3. The discussions on the budget reached an impasse and no agreement was reached.
4. The disagreement over the terms of the treaty has created an impasse that has lasted for months.
5. The impasse in the talks between the two countries has led to a stalemate in the negotiations.