Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of involuntary is as below...

Involuntariness :: Involuntariness (n.) The quality or state of being involuntary; unwillingness; automatism.

Spermatorrhoea :: Spermatorrhoea (n.) Abnormally frequent involuntary emission of the semen without copulation.

Automatism :: Automatism (n.) The state or quality of being automatic; the power of self-moving; automatic, mechanical, or involuntary action. (Metaph.) A theory as to the activity of matter..

Imperate :: Imperate (a.) Done by express direction; not involuntary; communded.

Reflex :: Reflex (n.) An involuntary movement produced by reflex action.

Unvoluntary :: Unvoluntary (a.) Involuntary.

Involuntarily :: Involuntarily (adv.) In an involuntary manner; not voluntarily; not intentionally or willingly.

Yawn :: Yawn (n.) An involuntary act, excited by drowsiness, etc., consisting of a deep and long inspiration following several successive attempts at inspiration, the mouth, fauces, etc., being wide open..

Delacrymation :: Delacrymation (n.) An involuntary discharge of watery humors from the eyes; wateriness of the eyes.

Habit :: Habit (n.) Fixed or established custom; ordinary course of conduct; practice; usage; hence, prominently, the involuntary tendency or aptitude to perform certain actions which is acquired by their frequent repetition; as, habit is second nature; also, peculiar ways of acting; characteristic forms of behavior..

Instinct :: Instinct (a.) Natural inward impulse; unconscious, involuntary, or unreasoning prompting to any mode of action, whether bodily, or mental, without a distinct apprehension of the end or object to be accomplished..

Spasm :: Spasm (v. t.) An involuntary and unnatural contraction of one or more muscles or muscular fibers.

Trepidation :: Trepidation (n.) An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering..

Enuresis :: Enuresis (n.) An involuntary discharge of urine; incontinence of urine.

Stammer :: Stammer (v. i.) To make involuntary stops in uttering syllables or words; to hesitate or falter in speaking; to speak with stops and diffivulty; to stutter.

Stringiness :: Stringhalt (n.) An habitual sudden twitching of the hinder leg of a horse, or an involuntary or convulsive contraction of the muscles that raise the hock..

Voluntary :: Voluntary (v. t.) Of or pertaining to the will; subject to, or regulated by, the will; as, the voluntary motions of an animal, such as the movements of the leg or arm (in distinction from involuntary motions, such as the movements of the heart); the voluntary muscle fibers, which are the agents in voluntary motion..

Sigh :: Sigh (v. i.) To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, or the like..

Nystagmus :: Nystagmus (n.) A rapid involuntary oscillation of the eyeballs.

Tremble :: Tremble (n.) An involuntary shaking or quivering.

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