To weaken or destroy the strength or vitality of: "the luxury which enervates and destroys nations” ( Henry David Thoreau). See Synonyms at deplete.
Medicine To remove a nerve or part of a nerve.
Deprived of strength; debilitated.
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.