noun
mandatory insurance; compulsory insurance
Refers to insurance required by law, such as automobile liability insurance. Often contrasted with 任意保険 (voluntary insurance).
See also: 任意保険
自動車を運転するには強制保険に加入しなければならない。
You must take out mandatory insurance to drive a car.
強制保険だけでは補償が不十分な場合がある。
Mandatory insurance alone may not provide sufficient coverage.