Un·vol·un·ta·ry a. Involuntary. [Obs.]
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  unvoluntary
       adj : not subject to the control of the will; "involuntary
             manslaughter"; "involuntary servitude"; "an involuntary
             shudder"; "It (becoming a hero) was involuntary. They
             sank my boat"- John F.Kennedy [syn: involuntary, nonvoluntary]
             [ant: voluntary]