involuntary
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(adjective) not subject to the control of the will; "involuntary manslaughter"; "involuntary servitude"; "an involuntary shudder"; "It (becoming a hero) was involuntary. They sank my boat"- John F.Kennedy |
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Synonyms: nonvoluntary, unvoluntary |
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Antonyms: voluntary |
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| 2. |
(adjective) (physiology) controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start" |
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Antonyms: voluntary |
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