doomsday device

Fetched 2026-10-26 (cache).

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Noun

1. {{senseid|en|Q250705}} A hypothetical [[weapon]] (often a [[bomb]]) [[programmed]] to [[automatically]] be used in response to certain [[attack]]s, usually with very [[dire]] [[consequence]]s (such as the [[annihilation]] of the [[world]]).
2. An [[extremely]] [[powerful]] [[weapon]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.