Meaning

2 senses
  1. A hypothetical weapon (often a bomb) programmed to automatically be used in response to certain attacks, usually with very dire consequences (such as the annihilation of the world).

    Near-synonyms: doomsday bomb, Dead Hand

  2. An extremely powerful weapon.

Origin

Coined as Doomsday Machine by military strategist Herman Kahn.

Coined as Doomsday Machine by military strategist Herman Kahn.

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doomsday device — meaning, examples, forms, synonyms | Krumeto