The meaning of INVOLUNTARY is done contrary to or without choice. How to use involuntary in a sentence.

INVOLUNTARY definition: 1. not done by choice; done unwillingly, or without the decision or intention of the person…. Learn more.

INVOLUNTARY definition: not voluntary; independent of one's will; not by one's own choice. See examples of involuntary used in a sentence.

1. Acting or done without or against one's will: an involuntary participant in what turned out to be an argument. 2. Not subject to control of the volition: gave an involuntary start.

Definition of involuntary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If you make an involuntary movement or exclamation, you make it suddenly and without intending to because you are unable to control yourself. Another surge of pain in my ankle caused me to …

Dec 14, 2025 · involuntary (comparative more involuntary, superlative most involuntary) Without intention; unintentional. Not voluntary or willing; contrary or opposed to explicit will or desire; …

in•vol•un•tar•y (in vol′ ən ter′ē), adj. not voluntary; independent of one's will; not by one's own choice: an involuntary listener; involuntary servitude. unintentional; unconscious: an …

Involuntary describes a reflex or action done without conscious control or will — like a blink, a sneeze, a yawn, or “the giggles.”

Synonyms for INVOLUNTARY: accidental, spontaneous, unwilling, unintentional, forced, coerced, unintended, automatic; Antonyms of INVOLUNTARY: voluntary, deliberate, intentional, willing, …