verb
- Proof against human misuse or error.
- usage: "foolproof this appliance"
- synonyms: goofproof, goof-proof
adjective
- Not liable to failure.
- usage: "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test"
- synonyms: unfailing
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). foolproof. Retrieved September 21, 2026, from http://smartdefine.org/foolproof/definitions/1174343 |
| Chicago | WordNet. 2010. "foolproof" http://smartdefine.org/foolproof/definitions/1174343 (accessed September 21, 2026). |
| Harvard | WordNet 2010, foolproof, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/foolproof/definitions/1174343>. |
| MLA | WordNet. "foolproof" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/foolproof/definitions/1174343> |