stale·mate 
(stālmāt′)
(stālmāt′)n.
1. A situation in which further action is blocked; a deadlock.
2. A position in chess resulting in a draw because the player whose turn it is, though not currently in check, would be put into check by any possible move.
tr.v. stale·mat·ed, stale·mat·ing, stale·mates
To bring into a stalemate.
[Obsolete stale (from Middle English, probably from Anglo-Norman estale, fixed position, from Old French estal; see STALE1) + MATE2.]