Word.ws English Dictionary

city killer

city killer noun: an asteroid that could destroy a whole city on impact with Earth.

Noun

city killer (plural city killers)

  1. (informal) An asteroid that could destroy a whole city on impact with Earth.
    • This lacuna in space regulation was highlighted earlier this year, when news spread of an asteroid, a potential “city killer” named 2024 YR4, thought to have a small chance of hitting Earth on December 22 2032.2025 December 20, Laura Battle, “Lunch with the FT: Maggie Aderin-Pocock”, in FT Weekend (Life & Arts section), London: The Financial Times Ltd., →ISSN, →OCLC, page 3

Forms of city killer

pluralcity killers

Questions about city killer

What does city killer mean?
City killer means an asteroid that could destroy a whole city on impact with Earth.
What part of speech is city killer?
City killer is a noun.
What is the plural of city killer?
The plural of city killer is city killers.

Words near city killer in the dictionary

  1. city girl
  2. city girls
  3. city hall
  4. city halls
  5. City High
  6. city killer
  7. city killers
  8. city lights
  9. city limit
  10. city limits
  11. city manager

Source and license

Adapted from Wiktionary: city killer (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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