worthlessness ['wə:θlis]

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n. worthless�ı���
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n. ineptitude

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n.   worth

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1. He 's the best physician that know the worthlessness of the most medicine .
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2. He's the best physician that knows the worthlessness of the most medicines.
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3. The "cognitive triad" consists of negative views about the self (worthlessness), about the circumstances (helplessness), and about the future (hopelessness).
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n.
  1. having no qualities that would render it valuable or useful
  2. the quality of being without practical use

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worthlessness
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