a. 无力的

[医] 动力缺失的, 无力的

Adynamic \Ad`y*nam"ic\, a. [Cf. F. adynamique. See {Adynamy}.]
1. (Med.) Pertaining to, or characterized by, debility of the
vital powers; weak.

2. (Physics) Characterized by the absence of power or force.

{Adynamic fevers}, malignant or putrid fevers attended with
great muscular debility.