verb
- Make bulletproof.
- usage: "bulletproof the car"
adjective
- Without flaws or loopholes.
- usage: "an ironclad contract"; "a watertight alibi"; "a bulletproof argument"
- synonyms: unassailable, unshakable, watertight
- Not penetrable by bullets.
- usage: "bulletproof glass"; "bulletproof vest"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). bulletproof. Retrieved September 21, 2026, from http://smartdefine.org/bulletproof/definitions/1169959 |
| Chicago | WordNet. 2010. "bulletproof" http://smartdefine.org/bulletproof/definitions/1169959 (accessed September 21, 2026). |
| Harvard | WordNet 2010, bulletproof, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/bulletproof/definitions/1169959>. |
| MLA | WordNet. "bulletproof" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/bulletproof/definitions/1169959> |