Dictionary

spyproof en · ADJ

Etymology

From spy + -proof.

Meanings

1. Safe from being overcome or compromised by spies.
   • If a game does not have a saddle point, minimax strategies are not spyproof, and each player can outsmart the other... 1992, John E. Freund, Mathematical statistics, page 336:
   • The Kure Navy Yard was surrounded by a spyproof high fence, and the workers lived their whole lives inside the fence. 1947 January 20, LIFE, volume 22, number 3, page 19:

Forms