Word.ws English Dictionary

spyproof

spyproof adjective: safe from being overcome or compromised by spies.

Adjective

spyproof (comparative more spyproof, superlative most spyproof)

  1. Safe from being overcome or compromised by spies.
    • 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
    • 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

Forms of spyproof

comparativemore spyproof
superlativemost spyproof

Origin of spyproof

From spy + -proof.

Questions about spyproof

What does spyproof mean?
Spyproof means safe from being overcome or compromised by spies.
What part of speech is spyproof?
Spyproof is an adjective.

Words near spyproof in the dictionary

  1. spymistresses
  2. spynace
  3. spynaces
  4. spyplane
  5. spyplanes
  6. spyproof
  7. spyre
  8. spyres
  9. Spyridon
  10. spyring
  11. spyritual

Source and license

Adapted from Wiktionary: spyproof (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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