Verb: derail dee'reyl
- Cause to run off the tracks
"they had planned to derail the trains that carried atomic waste"
- Run off or leave the rails
"the train derailed because a cow was standing on the tracks";
- jump
Derived forms: derailed, derailing, derails
Type of: counteract, countermine, go, locomote, move, sabotage, subvert, travel, undermine, weaken
Encyclopedia: Derail