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adj. ��Ч�ģ��в��ģ��зϵ�
n. ���ˣ��з���
vt. ʹ�˲У�ʹ����
vi. ��ò������򲡶���������

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v. disable��handicap��incapacitate
n. shut-in

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a.   valid

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1. The insurance was invalid for the invalid.
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2. Invalid function argument value, type or count.
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3. Which, if any, of the following names are invalid?
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n.
  1. someone who is incapacitated by a chronic illness or injury
  2. force to retire, remove from active duty, as of firemen
  3. injure permanently
adj.
  1. having no cogency or legal force
  2. no longer valid

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invalid
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invalid diet
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Invalid Cell
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invalid ballots
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invalid character
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