verb (v)

• stay clear from; keep away from; keep out of the way of someone or something(verb.communication)

  Example:
  Her former friends now avoid her.
  

  Antonym:
  confront, face, face up
  

  source: wordnet30
• prevent the occurrence of; prevent from happening(verb.social)

  Example:
  Let's avoid a confrontation.
  

  Synonym:
  avert, debar, deflect, fend off, forefend, forfend, head off, obviate, stave off, ward off
  

  source: wordnet30
• refrain from doing something(verb.social)

  Example:
  He should avoid publishing his wife's memories.
  

  source: wordnet30
• refrain from certain foods or beverages(verb.consumption)

  Example:
  During Ramadan, Muslims avoid tobacco during the day.
  

  Synonym:
  keep off
  

  source: wordnet30
• declare invalid(verb.social)

  Synonym:
  annul, invalidate, nullify, quash, void
  Antonym:
  formalise, formalize, validate
  

  source: wordnet30
• To empty.(verb)

  source: webster1913
• To retire; to withdraw.(verb)

  source: webster1913