Word.ws English Dictionary

cannonproof

cannonproof adjective: impenetrable by cannonballs.

Adjective

cannonproof (not comparable)

  1. Impenetrable by cannonballs.
    • It had not helped the duke to build himself a cannonproof stone chamber to sleep in for dread of vengeance after the assassination of Orleans.1948, Frances Winwar, The Saint and the Devil, page 33
    • A cannonproof breastwork, built during the previous war, extended along the beach from the hills to the rocks.1983, Richard J. Hargrove, General John Burgoyne, page 26

Origin of cannonproof

From cannon + -proof.

Questions about cannonproof

What does cannonproof mean?
Cannonproof means impenetrable by cannonballs.
What part of speech is cannonproof?
Cannonproof is an adjective.

Words near cannonproof in the dictionary

  1. cannoniers
  2. cannoning
  3. Cannonism
  4. cannonite
  5. cannonlike
  6. cannonproof
  7. cannonries
  8. cannonry
  9. cannons
  10. Cannons Creek
  11. Cannonsville

Source and license

Adapted from Wiktionary: cannonproof (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.

Last updated:

Cite this entry: “cannonproof.” Word.ws, https://word.ws/cannonproof. Based on Wiktionary, CC BY-SA 4.0.