English dictionary

derail

/d/i/'r/eI/l/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

verb

cause to run off the tracks

verb.motion

Examples
They had planned to derail the trains that carried atomic waste.

Source: WordNet 3.0
run off or leave the rails

verb.motion

Examples
The train derailed because a cow was standing on the tracks.

Synonyms jump

Source: WordNet 3.0
To cause to run off from the rails of a railroad, as a locomotive.

verb

Source: webster1913