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invasive species is not in our dictionary (yet). Here's what it could mean:

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noun

  • An organism, such as a plant, animal, or fungus, that is not native to a specific location and has a tendency to spread to a degree believed to cause damage to the environment, human economy, or human health.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Burmese pythons and brown anoles, both invasive species in the US, are known carriers of Ro.

From Science Daily May 26, 2026

“To put them back into that environment is introducing an invasive species into an environment in which it hasn’t lived before.”

From Los Angeles Times May 21, 2026

Thesaurus

Possible Synonyms

  • exotic species
  • ecological threat
  • alien species
  • foreign pest
  • introduced species

Possible Antonyms

  • local flora and fauna
  • native species
  • indigenous species
  • keystone species
  • endemic species

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