1. a passage with access only at one end (Freq. 1) • Syn: cul, cul de sac • Hypernyms: passage 2. a situation in which no progress can be made or no advancement is possible - reached an impasse on the negotiations • Syn: deadlock, impasse, stalemate, standstill • Derivationally related forms: stand still (for: standstill) • Hypernyms: situation