stale·mate 
(st
āl
m
āt
′)
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.]