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Definition of "killifish" []

  • Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "killifish" in a sentence
  • "The functions of the fish, a minnow called the killifish, have been affected in ways that could harm reproduction, the study found."
  • "Di Guilio says it's happened in North Carolina too, with something called killifish."
  • "Specifically, he's looking for small fish such as killifish, gambusia and anchovies."
Words like "killifish"