on a collision course

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English

Prepositional phrase

on a collision course

  1. Used other than figuratively or idiomatically: see on,‎ a,‎ collision course.
  2. (figurative, by extension) (typically with with) Dangerously and imminently approaching (a negative condition, result, etc.).
    The government is putting us on a collision course with nuclear disaster.
    • 2025 June 26, Kasra Naji, “When Iran's supreme leader emerges from hiding he will find a very different nation”, in BBC:
      A vast number of Iranians will singularly hold Ayatollah Khamenei, who first became leader in 1989, responsible for setting Iran on a collision course with Israel and the US that ultimately brought considerable ruin to his country and people.

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