enervate

/ˈɛnərˌveɪt/
verb
  1. To cause someone to feel drained of energy or vitality; to weaken physically or mentally.
    • Constant worry can enervate a person, leaving them exhausted.
    • The illness enervated him so much that he could barely get out of bed.
    • The long, hot summer days seemed to enervate everyone in the office.
What does "enervate" mean? | whatsthatwordmean | whatsthatwordmean