Definitions

1. noun

a point at which a process or series of events is blocked or unable to proceed; a stalemate

“The negotiations reached an impasse, and it seemed unlikely that a deal would be reached.”

2. noun

a position or situation from which it is impossible to move or proceed

“The narrow mountain pass had become an impasse for the hikers, who were unable to climb any further.”

3. verb

to bring or come to a point at which a process or series of events is blocked or unable to proceed

“The two companies are trying not to impasse each other, but it seems inevitable.”