involuntary UK /ɪnˈvɒl.ən.tɹi/US /ɪnˈvɑ.lənˌtɛɹ.i/ adjective2 •Without intention; unintentional. •Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling.He found himself the involuntary witness in the trial. formsmore involuntary · most involuntary
