involuntary

adjective
1
an involuntary movement, etc. is made suddenly, without you intending it or being able to control it
غیرارادی, بدون اختیار
opposite voluntary
2
happening without the person involved wanting it to
غیرارادی, ناخواسته, بدون اختیار
The company announced involuntary redundancies.
involuntary childlessness
involuntary psychiatric hospitalization