Definition of "unstoppable" []

• Difficult or impossible to preclude or stop: "This movement toward freedom is natural and unstoppable and good” ( Pauline Kael). (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 Magic proved unstoppable from the perimeter in part because Dwight Howard was so dominant inside."
• "Aldridge was almost unstoppable from the beginning, hitting his first seven shots and finishing the first quarter with 14 points and five rebounds to give Portland a 32-24 lead."
• "“The only reason runaway global warming seems unstoppable is that we have not yet tried to stop it,” he writes."