from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective At risk of becoming extinct or of becoming an endangered species. Used of a plant or animal species.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb Simple past tense and past participle of threaten.
  • adjective ecology, of a plant or animal At risk of becoming endangered in the near future.
  • adjective Feeling insecure or vulnerable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective (of flora or fauna) likely in the near future to become endangered


Sorry, no etymologies found.



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