Meaning of the word involuntary in English

What does involuntary mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

involuntary

US /ɪnˈvɑː.lən.ter.i/
UK /ɪnˈvɑː.lən.ter.i/

Adjective

1.

not done by choice; done unwillingly, or without the decision or intention of the person involved:

Example:
A sharp tap on the knee usually causes an involuntary movement of the lower leg.
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