What is the meaning of Impasse?

A road with no exit; a cul-de-sac.

A deadlock or stalemate situation in which no progress can be made.

impasse (situation in which no progress can be made)

stalemate, impasse (situation in which no progress can be made; not used in the chess sense of stalemate)

dead-end; cul-de-sac (street)

first/third-person singular imperfect subjunctive of impar

impasse, dead-end, deadlock, stalemate

impasse (a situation in which no progress can be made)

impasse

Source: wiktionary.org