from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To weaken or destroy the strength or vitality of.
  • transitive verb Medicine To remove a nerve or part of a nerve.
  • adjective Deprived of strength; debilitated.

from The Century Dictionary.

  • To deprive of nerve, force, or strength; weaken; render feeble: as, idleness and voluptuous indulgences enervate the body.
  • Figuratively, to deprive of force or applicability; render ineffective; refute.
  • To cut the nerves of: as, to enervate a horse.
  • Synonyms To enfeeble, unnerve, debilitate, paralyze, unstring, relax.
  • Weakened; weak; enervated.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To deprive of nerve, force, strength, or courage; to render feeble or impotent; to make effeminate; to impair the moral powers of.
  • adjective Weakened; weak; without strength of force.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To reduce strength or energy; debilitate.
  • verb transitive To weaken morally or mentally.
  • verb transitive To unnerve or faze.
  • verb medicine To partially or completely remove a nerve.
  • adjective Made feeble; weakened.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb weaken mentally or morally
  • verb disturb the composure of


from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin ēnervāre, ēnervāt- : ē-, ex-, ex- + nervus, sinew; see (s)neəu- in Indo-European roots.]


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  • You would think enervate would be to get your nerve up, not down.

    December 17, 2007

  • enervate \EN-ur-vayt\, transitive verb:

    1. To deprive of vigor, force, or strength; to render feeble; to weaken.

    2. To reduce the moral or mental vigor of.

    August 12, 2008

  • Not to be confused with innervate.

    May 20, 2010

  • The intense sun in India would always leave you enervated after you've spent the day sightseeing.

    May 11, 2013

  • verb: to sap energy from

    John preferred to avoid equatorial countries; the intense sun would always leave him enervated after he’d spent the day sightseeing.

    October 11, 2016