(n) a situation in which no progress can be made or no advancement is possible, Syn. stalemate, standstill, impasse, dead end, Example:reached an impasse on the negotiations
(adj) at a complete standstill because of opposition of two unrelenting forces or factions, Syn. stalemated, Example:the chess game ended with white stalemated; the two factions are deadlocked over fringe benefits
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. (Chess) The position of the king when he can not move without being placed in check and there is no other piece which can be moved. [ 1913 Webster ]