Definition of "vitality" []

• The capacity to live, grow, or develop: plants that lost their vitality when badly pruned. (noun)
• Physical or intellectual vigor; energy. See Synonyms at vigor. (noun)
• The characteristic, principle, or force that distinguishes living things from nonliving things. (noun)
• Power to survive: the vitality of an old tradition. (noun)

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.

• "And finally, both Lord Robertson and Secretary of State Powell pointed to what they called the vitality and the relevance of NATO, and said any damage done to the reputation of NATO over the last couple weeks can quite, in their words, be easily overcome."
• "Professor Huxley himself has told us that he lived in 'the hope and the faith that in course of time we shall see our way from the constituents of the protoplasm to its properties,' _i. e._ from carbonic acid, water, and ammonia to that mysterious thing which we call vitality or life -- from the molecular motion of the brain to Socratic wisdom,"
• "The strongest, the most amply endowed with what we call vitality or power to live, win."