involuntary
UK /ɪnˈvɒl.ən.tɹi/ · US /ɪnˈvɑ.lənˌtɛɹ.i/ adjective
- adjective Without intention; unintentional.
- adjective Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling. “He found himself the involuntary witness in the trial.”
Synonyms
Antonyms
Etymology
From in- + voluntary, from Late Latin involontarius, from in + volontarius.
Webster’s 1913
- adjective Not having will of the power of choice.
- adjective Not under the influence or control of the will; not voluntary; as, the involuntary movements of the body; involuntary muscle fibers.
Etymology [L. involuntarius. See In- not, and Voluntary.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “involuntary”, CC BY-SA 4.0. Details