Threaten Threatened Species Definition: Threatened species are any species (including animals, plants, fungi, etc.) which are vulnerable to endangerment in the near future.n. Wikipedia suggests threatened species . Threaten contains 8 letters and has 203 connections / rhymes. 300 Tutankhaten Tutankhamun Definition: Tutankhamun (alternately spelled with Tutenkh-, -amen, -amon), Egyptian ', ;