To turn or make go to one side
Crash means to violently smash or break or to make a loud and sudden noise.
To involve in a wreck; hence, to cause to suffer ruin; to balk of success, and bring disaster on.
To seize or occupy illegally:
Find another word for derail. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for derail, like: go off the rails, be wrecked, thwart, deflect, crash, hinder, wreck and jump.