Definition of "threatened" []

• Ecology At risk of becoming endangered. Used of a plant or an animal. (adjective)

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.

• "Threatened abortion The term threatened abortion is used  when a pregnancy is complicated by vaginal bleeding before the 20th week."
• "China to co-operate with her in readjusting what she described as the threatened balance."
• "What could the word "threatened" possibly encompass?"