unvoluntary in a sentence

Definition

Unvoluntary refers to actions or reactions that occur without conscious control or intention.

His unvoluntary reaction to the cold water made everyone laugh.
The patient's unvoluntary movements indicated a possible neurological issue.
She felt an unvoluntary shiver run down her spine when she heard the noise.
His unvoluntary smile revealed his hidden amusement at the situation.
The unvoluntary twitch in her eye was a sign of her growing stress levels.