noun
- An accident in which a train runs off its track. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). derailment. Retrieved September 22, 2026, from http://smartdefine.org/derailment/definitions/1219508 |
| Chicago | WordNet. 2010. "derailment" http://smartdefine.org/derailment/definitions/1219508 (accessed September 22, 2026). |
| Harvard | WordNet 2010, derailment, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/derailment/definitions/1219508>. |
| MLA | WordNet. "derailment" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/derailment/definitions/1219508> |