derailment

/dɪˈreɪlmənt/
noun
  1. An accident in which a train comes off the tracks.
    • The derailment caused delays on the entire rail line.
    • Authorities are investigating the cause of the derailment.
    • No one was injured in the freight train derailment.
  2. A disruption or failure of a plan, process, or activity.
    • His career suffered a derailment after the company downsized.
    • The derailment of peace talks led to renewed conflict.
    • The project's derailment was due to a lack of funding.
Antonyms
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