ady·nam·ic /ˌe(ˌ)daɪˈnæmɪk, ˌædəˈnæ-/
  (a.)衰弱的
  ady·nam·ic /ˌe(ˌ)daɪˈnæmɪk, ˌædəˈnæm-/ 形容詞
  動力缺失的,無力的,體力缺乏的
  ad·y·nam·ic a.
  1. Med. Pertaining to, or characterized by adynamia; weak.
  2. Physics Characterized by the absence of power or force.
  Adynamic fevers, malignant or putrid fevers attended with great muscular debility.
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  adynamic
       adj 1: characterized by an absence of force or forcefulness [syn: undynamic]
              [ant: dynamic]
       2: lacking strength or vigor [syn: asthenic, debilitated, enervated]