English adjective: involuntary | |||
1. | involuntary not subject to the control of the will | ||
Samples | Involuntary manslaughter. Involuntary servitude. An involuntary shudder. It (becoming a hero) was involuntary. They sank my boat. | ||
Synonyms | nonvoluntary, unvoluntary | ||
Similar | driven, forced, goaded, unconscious, unwilled, unwilling | ||
See also | unconscious, unwilling | ||
Antonyms | voluntary | ||
2. | involuntary controlled by the autonomic nervous system; without conscious control | ||
Samples | Involuntary muscles. Gave an involuntary start. | ||
Similar | automatic, autonomic, reflex, reflexive, vegetative | ||
Domain category | physiology | ||
Antonyms | voluntary | ||