The Collaborative International Dictionary
Adynamic
Adynamic \Ad`y*nam"ic\, a. [Cf. F. adynamique. See Adynamy.]
(Med.) Pertaining to, or characterized by, debility of the vital powers; weak.
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(Physics) Characterized by the absence of power or force.
Adynamic fevers, malignant or putrid fevers attended with great muscular debility.
Wiktionary
adynamic
a. Not dynamic; without strength or vigor.
WordNet
adynamic
adj. characterized by an absence of force or forcefulness [syn: undynamic] [ant: dynamic]
lacking strength or vigor [syn: asthenic, debilitated, enervated]