Definitions of refuse:

• noun:   food that is discarded (as from a kitchen)
• verb:   refuse to accept

  Example: "He refused my offer of hospitality"

• verb:   show unwillingness towards
• verb:   refuse to let have
• verb:   elude, especially in a baffling way
• verb:   resist immunologically the introduction of some foreign tissue or organ
• verb:   refuse entrance or membership