English to English

verb (v)

• lower someone's spirits; make downhearted(verb.emotion)

  Synonym:
  cast down, deject, demoralise, demoralize, depress, dismay, get down
  Antonym:
  elate, intoxicate, lift up, pick up, uplift
  

  source: wordnet30
• To deprive of cheerful spirits; to depress the spirits of; to dishearten; to discourage.(verb)

  source: webster1913