Meaning of exertion

ex•er•tion

Pronunciation: (ig-zûr'shun), [key]
— n.
  1. vigorous action or effort: physical and mental exertion.
  2. an effort: a great exertion to help others.
  3. exercise, as of power or faculties.
  4. an instance of this.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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