disrupter

/dɪsˈrʌptər/
noun
  1. A person or thing that interrupts or causes disorder.
    • The student was known as a disrupter in class.
    • A single disrupter can ruin a meeting for everyone.
    • The loud alarm was a disrupter of the peaceful evening.
  2. A company or product that changes an industry in a major way.
    • Electric car makers are seen as disrupters of the auto industry.
    • The small tech company became a major disrupter in the banking world.
    • Many startups want to be disrupters, but few succeed.
Antonyms