Definition of "extinct" []

• No longer existing or living: an extinct species. (adjective)
• No longer burning or active: an extinct volcano. (adjective)
• No longer in use: an extinct custom. See Synonyms at dead. (adjective)
• Law Lacking a claimant; void: an extinct title. (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.

• "The title extinct, the fortune gone -- so does Fate laugh at our posthumous ambition!"
• "Hope evolution makes these vermin extinct soon, but the mills of God grind exceedlngly slow, but extremely fine. aware"
• "The same process works going forward in time; in essence every one of us who has children and whose line does not go extinct is suspended at the center of an immense genetic hourglass."