a. [ L. involuntarius. See In- not, and Voluntary. ] [ 1913 Webster ]
1. Not having will or the power of choice. [ 1913 Webster ]
2. Not under the influence or control of the will; not voluntary; as, the involuntary movements of the body; involuntary muscle fibers. [ 1913 Webster ]
3. Not proceeding from choice; done unwillingly; reluctant; compulsory; as, involuntary submission.