decimator

/ˈdɛsəˌmeɪtər/
noun
  1. A person or thing that destroys or kills a large portion of something.
    • The plague was a decimator of entire villages in the Middle Ages.
    • The invasive species became a decimator of native plants in the forest.
    • In the video game, the dragon is a powerful decimator of enemy armies.
  2. A person or thing that severely reduces or weakens something, such as a population, system, or organization.
    • The budget cuts were a decimator of the school's music program.
    • The new virus proved to be a decimator of the country's healthcare system.
    • The hurricane acted as a decimator of coastal communities.
Antonyms
What does "decimator" mean? | whatsthatwordmean | whatsthatwordmean