standoff \stand"off\ n.

1. A situation in a contest in which the winner is undecided; a draw or stalemate.

Syn: draw; tie; stalemate; deadlock [WordNet 1.5]

2. A successful stand.

Syn: repulsion, repelling [WordNet 1.5]

3. Something that serves to keep one object at a distance from another, such as a prop attached to the top of a ladder to keep it from leaning directly against the vertical surface which suports it. [PJC]

Source: The Collaborative International Dictionary of English v.0.48
 

standoff \stand"off\ a. Serving to keep two objects or parts of a machine separated; as, a standoff insulator. [PJC] standoffish

Source: The Collaborative International Dictionary of English v.0.48
 

52 Moby Thesaurus words for "standoff": Tweedledum and Tweedledee, aloof, arrest, bell, check, checkmate, cutoff, dead heat, dead stop, deadlock, distant, draw, end, endgame, ending, even break, even chance, fair shake, fifty-fifty, final whistle, full stop, grinding halt, gun, half a chance, halt, insociable, knotted score, lockout, neck-and-neck race, odds, photo finish, reserved, sit-down strike, solitary, square odds, stalemate, stand, standoffish, standstill, stay, stop, stoppage, strike, the same, tie, toss, toss-up, touch and go, uncompanionable, walkout, withdrawn, work stoppage

Source: Moby Thesaurus II by Grady Ward, 1.0
 

standoff

Source: WordNet (r) 2.0