Breadcrumb Home > Thesaurus > D Synonyms of derail Find synonyms for: Verb 1. derail, sabotage, undermine, countermine, counteract, subvert, weaken usage: cause to run off the tracks; "they had planned to derail the trains that carried atomic waste" 2. derail, jump, travel, go, move, locomote usage: run off or leave the rails; "the train derailed because a cow was standing on the tracks" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of derail (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language